When searching for the best thermal pastes, the key factors are thermal conductivity, ease of application, and longevity. The ARCTIC MX-4 stands out as the overall top pick due to its balance of performance and affordability. For those seeking extreme cooling for overclocking, the Thermal Grizzly Kryonaut Extreme offers top-tier thermal transfer, though at a higher price. Meanwhile, beginners might prefer simpler, more forgiving options like the ARCTIC MX-6. As choices vary widely based on use case and budget, continue reading for a detailed breakdown of each product and what fits different needs best.

15
compared
3
brands
3
thermal conductivitys
Which thermal paste should you buy?
★ Top Pick
ARCTIC MX-7 Thermal Paste
Best Overall for Long-Term Reliability
Excellent heat transfer and stability
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DIY builders and moderate gamers needing effective thermal transfer without frequent reapplication
ARCTIC MX-6 Thermal Paste
Improved thermal resistance over MX-4
View on Amazon →
Beginners or users looking for quick, safe, and effective thermal paste application
ARCTIC MX-4 Thermal Paste
High thermal conductivity
View on Amazon →
Overclockers and enthusiasts with demanding cooling needs in tight spaces
Thermal Grizzly Kryonaut Extre
Exceptional thermal conductivity
View on Amazon →
Overclockers and gamers seeking reliable, long-term thermal performance
Thermal Grizzly Duronaut Therm
High thermal conductivity
View on Amazon →
Pros & cons at a glance
ARCTIC MX-7 Thermal Paste
✓ Excellent heat transfer and stability
✗ Cannot be manually spread, relies on pressure
ARCTIC MX-6 Thermal Paste
✓ Improved thermal resistance over MX-4
✗ Limited to 4 g, may require frequent reapplication
ARCTIC MX-4 Thermal Paste
✓ High thermal conductivity
✗ Small 4 g size, may need frequent reapplication
Thermal Grizzly Kryonaut Extre
✓ Exceptional thermal conductivity
✗ Limited 2 g volume, may require frequent reapplication
Thermal Grizzly Duronaut Therm
✓ High thermal conductivity
✗ Requires careful application to avoid excess
ARCTIC MX-7
✓ High thermal conductivity ensures efficient heat transfer
✗ Cannot be spread manually, requiring proper application technique
Thermal Grizzly Kryonaut 1 Gra
✓ Exceptional thermal conductivity for demanding applications
✗ Limited to 1 gram, requiring multiple applications for larger heatsinks
Corsair TM30 Performance Therm
✓ Easy to apply with included stencil and spreader
✗ Limited volume of 3 grams may require reapplication
ARCTIC MX-7 Thermal Paste
✓ High thermal conductivity for effective heat transfer
✗ Cannot be spread manually, requiring proper pressure application
Thermal Grizzly Kryonaut 1 Gra
✓ Exceptional heat conductivity for overclocking
✗ Small 1-gram size limits reapplication frequency
ARCTIC MX-4 Thermal Paste
✓ High thermal conductivity for efficient heat dissipation
✗ Contains only 45 g, which may be less suitable for extensive use
Thermal Grizzly Kryonaut Extre
✓ Exceptional heat transfer for demanding overclocking
✗ Limited 2 g quantity for multiple applications
ARCTIC MX-4 Thermal Paste
✓ High thermal conductivity ensures efficient heat transfer
✗ Small 4 g size may require frequent reapplication
ARCTIC MX-6 Thermal Paste
✓ Improved thermal conductivity over previous models
✗ Limited to 4 g, requiring reapplication over time
ARCTIC MX-6 Thermal Paste
✓ Lower thermal resistance improves heat transfer
✗ No major drawbacks specified

Key Takeaways

  • Thermal conductivity varies significantly between products, impacting cooling performance.
  • High-performance pastes like Kryonaut Extreme excel in overclocking but come at a premium price.
  • Larger quantities, such as the 45g ARCTIC MX-4, offer better value for frequent users or multiple builds.
  • Ease of application and clean-up are critical for beginners, favoring pastes with included cleaner or spatulas.
  • Price often correlates with thermal performance, but budget options still deliver solid results for most users.
2
ARCTIC MX-6 Thermal Paste
Best Value for Versatile Cooling
1
ARCTIC MX-7 Thermal Paste
Best Overall for Long-Term Reliability
3
ARCTIC MX-4 Thermal Paste
Best for Beginners and Easy Application

Our Top Best Thermal Pastes Picks

ARCTIC MX-7 Thermal Paste (8 g) for CPUs, GPUs, Consoles, LaptopsARCTIC MX-7 Thermal Paste (8 g) for CPUs, GPUs, Consoles, LaptopsBest Overall for Long-Term ReliabilityVolume: 8 gThermal Conductivity: Very highApplication: CPU, GPU, Console, LaptopVIEW LATEST PRICESee Our Full Breakdown
ARCTIC MX-6 Thermal Paste (4 g)ARCTIC MX-6 Thermal Paste (4 g)Best Value for Versatile CoolingVolume: 4 gThermal Conductivity: Very highElectrical Conductivity: Non-conductiveVIEW LATEST PRICESee Our Full Breakdown
ARCTIC MX-4 Thermal Paste (4g) with Spatula – High Performance CPU/GPU Cooler CompoundARCTIC MX-4 Thermal Paste (4g) with Spatula - High Performance CPU/GPU Cooler CompoundBest for Beginners and Easy ApplicationPackage Size: 4 gApplication: CPU, GPUMaterial: Carbon microparticlesVIEW LATEST PRICESee Our Full Breakdown
Thermal Grizzly Kryonaut Extreme 2g Thermal Paste with Cleaning WipesThermal Grizzly Kryonaut Extreme 2g Thermal Paste with Cleaning WipesBest for Overclockers and High-Performance SetupsVolume: 2 gramsApplication: CPU, GPUMaterial: Nano-aluminum oxide particlesVIEW LATEST PRICESee Our Full Breakdown
Thermal Grizzly Duronaut Thermal Paste, 6gThermal Grizzly Duronaut Thermal Paste, 6gBest for Overclocking and Long-Term StabilityQuantity: 6 gMaterial: Silicone oil, aluminum microparticles, zinc oxideApplication: CPU, GPU, PS4, PS5, XboxVIEW LATEST PRICESee Our Full Breakdown
ARCTIC MX-7 (4 g) Thermal Paste for CPUs, Graphics Cards, LaptopsARCTIC MX-7 (4 g) Thermal Paste for CPUs, Graphics Cards, LaptopsBest Overall for Safe, Long-Term StabilityType: Thermal PasteQuantity: 4 gThermal Conductivity: Very HighVIEW LATEST PRICESee Our Full Breakdown
Thermal Grizzly Kryonaut 1 Gram High Performance Thermal PasteThermal Grizzly Kryonaut 1 Gram High Performance Thermal PasteBest for Demanding Overclocking and High-Performance CoolingVolume: 1 GramApplication: Thermal paste for CPU/GPU/console coolingTemperature Resistance: Does not dry out even at 80°CVIEW LATEST PRICESee Our Full Breakdown
Corsair TM30 Performance Thermal PasteCorsair TM30 Performance Thermal PasteBest for Easy Application and Stable Long-Term UseType: Thermal PasteVolume: 3 gramsMaterial: Zinc OxideVIEW LATEST PRICESee Our Full Breakdown
ARCTIC MX-7 Thermal Paste (4 g) with MX-CleanerARCTIC MX-7 Thermal Paste (4 g) with MX-CleanerBest for Easy Surface Preparation and Long-Term StabilityWeight: 4 gIncludes: MX CleanerType: Thermal PasteVIEW LATEST PRICESee Our Full Breakdown
Thermal Grizzly Kryonaut 1 Gram Thermal Paste with Cleaning WipesThermal Grizzly Kryonaut 1 Gram Thermal Paste with Cleaning WipesBest for High-Performance Overclocking and Demanding ApplicationsThermal Conductivity: ExtremePackage Size: 1 GramIncludes: 12 cleaning wipesVIEW LATEST PRICESee Our Full Breakdown
ARCTIC MX-4 Thermal Paste (45 g) for CPU and GPUARCTIC MX-4 Thermal Paste (45 g) for CPU and GPUBest Overall for Long-Term ReliabilityWeight: 45 gType: Thermal PasteApplication: CPU, GPUVIEW LATEST PRICESee Our Full Breakdown
Thermal Grizzly Kryonaut Extreme – 2 Gram High Performance Thermal Paste for CPU/GPU OverclockingThermal Grizzly Kryonaut Extreme - 2 Gram High Performance Thermal Paste for CPU/GPU OverclockingBest for Overclockers and High-Performance UsersQuantity: 2 gramsApplication: Up to 12 CPUs depending on sizeVIEW LATEST PRICESee Our Full Breakdown
ARCTIC MX-4 Thermal Paste (4 g) for CPU and GPUARCTIC MX-4 Thermal Paste (4 g) for CPU and GPUBest for Beginners and General UsePackage Size: 4 gThermal Conductivity: Very highApplication: CPU, GPU, PC, PS4, XboxVIEW LATEST PRICESee Our Full Breakdown
ARCTIC MX-6 Thermal Paste (4 g, includes 6 MX Cleaner)ARCTIC MX-6 Thermal Paste (4 g, includes 6 MX Cleaner)Best for Versatile and Long-Lasting CoolingWeight: 4 gThermal Conductivity: Very highIncludes: 6 MX CleanersVIEW LATEST PRICESee Our Full Breakdown
ARCTIC MX-6 Thermal Paste (8 g)ARCTIC MX-6 Thermal Paste (8 g)Best for Versatile and High-Performance CoolingVolume: 8 gThermal Conductivity: Very highElectrical Conductivity: Non-conductiveVIEW LATEST PRICESee Our Full Breakdown
Specs at a glance
thermal pasteApplicationThermal Conductivity
ARCTIC MX-7 Thermal PasteCPU, GPU, Console, LaptopVery high
ARCTIC MX-6 Thermal PasteCPUs, GPUs, consoles, laptopsVery high
ARCTIC MX-4 Thermal PasteCPU, GPU
Thermal Grizzly Kryonaut ExtreCPU, GPU
Thermal Grizzly Duronaut ThermCPU, GPU, PS4, PS5, XboxHigh
ARCTIC MX-7Very High
Thermal Grizzly Kryonaut 1 GraThermal paste for CPU/GPU/console cooling
Corsair TM30 Performance Therm
ARCTIC MX-7 Thermal Paste
Thermal Grizzly Kryonaut 1 GraExtreme
ARCTIC MX-4 Thermal PasteCPU, GPU
Thermal Grizzly Kryonaut ExtreUp to 12 CPUs depending on size
ARCTIC MX-4 Thermal PasteCPU, GPU, PC, PS4, XboxVery high
ARCTIC MX-6 Thermal PasteCPU, GPU, laptopsVery high
ARCTIC MX-6 Thermal PasteCPUs, GPUs, consoles, laptopsVery high

More Details on Our Top Picks

  1. ARCTIC MX-7 Thermal Paste (8 g) for CPUs, GPUs, Consoles, Laptops

    ARCTIC MX-7 Thermal Paste (8 g) for CPUs, GPUs, Consoles, Laptops

    Best Overall for Long-Term Reliability

    View Latest Price

    ARCTIC MX-7 stands out for its exceptional heat transfer capabilities and long-term stability, making it ideal for users seeking reliable, maintenance-free performance. Unlike the MX-6 and MX-4, which focus on high thermal conductivity, MX-7 emphasizes resistance to dry-out and pump-out over extended periods. Its non-conductive, pressure-activated application means it naturally spreads under pressure, reducing user error. While it can’t be manually spread, this design ensures a consistent layer, especially beneficial for those who prefer a hassle-free experience. Compared to Kryonaut Extreme, MX-7 offers a more balanced profile for long-term use without overkill on performance, but it may not be suitable for extreme overclocking needs. Ideal for long-lasting stability in everyday setups, especially in confined spaces where maintenance is difficult.

    Pros:
    • Excellent heat transfer and stability
    • Resistant to pump-out and dry-out
    • Safe for all device types due to non-conductive nature
    • Easy to clean with compatible cleaner
    Cons:
    • Cannot be manually spread, relies on pressure
    • Requires proper application pressure to spread evenly

    Best for: Users who prioritize long-term stability and minimal reapplication, such as home servers or everyday gaming builds

    Not ideal for: Overclockers or enthusiasts looking for the absolute highest thermal transfer for extreme cooling scenarios

    • Volume:8 g
    • Thermal Conductivity:Very high
    • Application:CPU, GPU, Console, Laptop
    • Features:Non-conductive, Long durability, Long-term stability
    Our verdict
    “This thermal paste is best suited for users wanting dependable, long-term cooling with minimal maintenance.”
  2. ARCTIC MX-6 Thermal Paste (4 g)

    ARCTIC MX-6 Thermal Paste (4 g)

    Best Value for Versatile Cooling

    View Latest Price

    ARCTIC MX-6 offers improved thermal resistance compared to MX-4, making it a practical choice for users who need a reliable thermal interface at a lower cost per gram. While it shares non-conductive properties with MX-4 and MX-7, MX-6’s enhanced thermal resistance provides better performance in tighter, more demanding environments. However, its 4 g size limits its lifespan for multiple applications, especially when compared with the 8 g MX-7, meaning reapplication may be necessary sooner. It’s easy to apply and safe for all devices, but users with extensive cooling needs might find it less economical over time. Compared to Kryonaut, MX-6 is more accessible for general use, but less suited for overclocking extremes. This pick makes the most sense for everyday users seeking a balance of performance and affordability.

    Pros:
    • Improved thermal resistance over MX-4
    • Non-conductive and safe to use
    • Versatile for various devices
    • Long-lasting durability for its size
    Cons:
    • Limited to 4 g, may require frequent reapplication
    • Less effective for extreme overclocking scenarios

    Best for: DIY builders and moderate gamers needing effective thermal transfer without frequent reapplication

    Not ideal for: Overclockers or those with large-scale cooling setups who need a larger volume or maximum performance

    • Volume:4 g
    • Thermal Conductivity:Very high
    • Electrical Conductivity:Non-conductive
    • Application:CPUs, GPUs, consoles, laptops
    Our verdict
    “This thermal paste provides solid performance for regular users who value stability and affordability in a small package.”
  3. ARCTIC MX-4 Thermal Paste (4g) with Spatula – High Performance CPU/GPU Cooler Compound

    ARCTIC MX-4 Thermal Paste (4g) with Spatula - High Performance CPU/GPU Cooler Compound

    Best for Beginners and Easy Application

    View Latest Price

    ARCTIC MX-4 is renowned for its high thermal conductivity and user-friendly application, especially for newcomers or those seeking a straightforward, no-fuss solution. Its carbon microparticles deliver efficient heat transfer comparable to more expensive pastes like Kryonaut, but with a simpler application process aided by the included spatula. Unlike the MX-7 and MX-6, which focus on stability and lower resistance, MX-4 emphasizes ease of use and safety, being metal-free and electrically non-conductive. However, its small 4 g size may require reapplication more often for multiple or large-scale setups. Compared to Kryonaut, MX-4 is less optimized for overclocking but excels at delivering reliable, safe performance for typical use. This makes it perfect for DIYers or beginners who want dependable cooling without complexity.

    Pros:
    • High thermal conductivity
    • Safe, non-conductive, metal-free
    • Includes spatula for easy application
    • Reliable for everyday use
    Cons:
    • Small 4 g size, may need frequent reapplication
    • Not designed for extreme overclocking

    Best for: Beginners or users looking for quick, safe, and effective thermal paste application

    Not ideal for: Overclocking enthusiasts or users with extensive cooling needs who require larger volumes or maximum performance

    • Package Size:4 g
    • Application:CPU, GPU
    • Material:Carbon microparticles
    • Safety:Non-electrical conductive, metal-free
    Our verdict
    “This paste is ideal for users seeking a safe, easy-to-apply thermal solution for regular computing tasks.”
  4. Thermal Grizzly Kryonaut Extreme 2g Thermal Paste with Cleaning Wipes

    Thermal Grizzly Kryonaut Extreme 2g Thermal Paste with Cleaning Wipes

    Best for Overclockers and High-Performance Setups

    View Latest Price

    Kryonaut Extreme is designed for demanding overclocking scenarios, offering top-tier thermal conductivity and stability. It surpasses standard pastes like MX-4 and MX-6 in extreme heat transfer, making it suitable for enthusiast-grade cooling. The included cleaning wipes streamline surface prep, and its Nano-aluminum oxide particles ensure minimal thermal resistance. However, its 2 g volume limits its lifespan for extensive builds or repeated reapplications, and its premium price tag reflects its high-performance focus. Compared with the Duronaut, Kryonaut Extreme provides slightly higher thermal conductivity but requires more careful application to avoid excess. For casual users, this may be overkill, but for overclockers pushing hardware to the limit, it’s an essential choice. Best suited for those who need the highest thermal performance in compact form.

    Pros:
    • Exceptional thermal conductivity
    • Includes cleaning wipes for easy prep
    • Stable and long-lasting under high loads
    • Designed for extreme overclocking
    Cons:
    • Limited 2 g volume, may require frequent reapplication
    • Premium price for small volume

    Best for: Overclockers and enthusiasts with demanding cooling needs in tight spaces

    Not ideal for: Casual users or those seeking larger volume options for multiple reapplications

    • Volume:2 grams
    • Application:CPU, GPU
    • Material:Nano-aluminum oxide particles
    • Temperature Stability:Up to 80°C
    • Curing:Non-curing
    • Includes:Cleaning wipes
    Our verdict
    “This thermal paste is best for high-performance, overclocked systems where maximum heat transfer is critical.”
  5. Thermal Grizzly Duronaut Thermal Paste, 6g

    Thermal Grizzly Duronaut Thermal Paste, 6g

    Best for Overclocking and Long-Term Stability

    View Latest Price

    Duronaut offers a high-end formulation with silicone oil, aluminum microparticles, and zinc oxide nanoparticles, delivering excellent heat transfer for overclocking and gaming consoles. Its engineered composition allows for a very thin, efficient layer that enhances heat dissipation, outperforming standard pastes like MX-4 in high-stress environments. It’s designed for users who need durable, stable performance over the long haul, making it suitable for demanding gaming setups and overclocked CPUs. The application requires some care to avoid excess, and its price is higher than typical thermal pastes, reflecting its premium quality. Compared to Kryonaut Extreme, Duronaut provides comparable stability but with a different material blend, which may appeal to those seeking a metal-free, long-lasting solution. This paste fits users pushing hardware to its limits in overclocking and longevity.

    Pros:
    • High thermal conductivity
    • Long-term stability and durability
    • Suitable for overclocking and gaming
    • Thin application layer for effective heat transfer
    Cons:
    • Requires careful application to avoid excess
    • More expensive than standard pastes

    Best for: Overclockers and gamers seeking reliable, long-term thermal performance

    Not ideal for: Budget-conscious buyers or those with simple cooling needs

    • Quantity:6 g
    • Material:Silicone oil, aluminum microparticles, zinc oxide
    • Application:CPU, GPU, PS4, PS5, Xbox
    • Thermal Conductivity:High
    Our verdict
    “This paste is tailored for advanced users who need a high-performance, stable cooling solution for demanding applications.”
  6. ARCTIC MX-7 (4 g) Thermal Paste for CPUs, Graphics Cards, Laptops

    ARCTIC MX-7 (4 g) Thermal Paste for CPUs, Graphics Cards, Laptops

    Best Overall for Safe, Long-Term Stability

    View Latest Price

    The ARCTIC MX-7 stands out for its high thermal conductivity and long-lasting stability, making it a reliable choice for sustained performance across CPUs, GPUs, and laptops. Unlike the Thermal Grizzly Kryonaut, which offers slightly higher heat transfer but at a premium, the MX-7 provides a non-conductive, safe solution that minimizes risk of short circuits. Its self-distributing nature simplifies application, but this also means proper technique is required to ensure even coverage. The 4 g quantity may necessitate frequent reapplications for multiple devices, which could be a drawback for users managing several components. Overall, this pick makes the most sense for those prioritizing safety, stability, and ease of cleaning over maximum thermal performance.

    Pros:
    • High thermal conductivity ensures efficient heat transfer
    • Long-term stability resists pump-out and dry-out
    • Non-conductive and safe for all devices
    • Easy to clean with MX Cleaner
    Cons:
    • Cannot be spread manually, requiring proper application technique
    • Limited quantity may lead to frequent reapplications

    Best for: Users seeking a safe, stable thermal interface for long-term use with minimal risk of electrical issues

    Not ideal for: Overclockers or enthusiasts needing maximum thermal conductivity, as the paste’s application method may be less precise and the quantity limited

    • Type:Thermal Paste
    • Quantity:4 g
    • Thermal Conductivity:Very High
    • Durability:Long-lasting
    • Electrical Conductivity:Non-Conductive
    • Application Method:Self-distributes under pressure
    Our verdict
    “Best suited for those who prioritize safety, stability, and ease of use over maximum thermal performance.”
  7. Thermal Grizzly Kryonaut 1 Gram High Performance Thermal Paste

    Thermal Grizzly Kryonaut 1 Gram High Performance Thermal Paste

    Best for Demanding Overclocking and High-Performance Cooling

    View Latest Price

    Thermal Grizzly Kryonaut offers exceptional heat conductivity, making it ideal for overclockers and users pushing their systems to the limit. Its syringe application and included spatula simplify precise spreading, which is a step up from the more viscous ARCTIC MX-7. Although the 1-gram size might seem limiting for large builds, it suits demanding tasks where maximum thermal transfer matters most. Compared to the Corsair TM30, which has a zinc oxide base and is easier for beginners, Kryonaut excels in extreme conditions but requires careful application. The paste’s resistance to drying out even at high temperatures makes it a favorite for overclocking, but its small size and premium price can be drawbacks for casual users with multiple devices.

    Pros:
    • Exceptional thermal conductivity for demanding applications
    • Easy to apply with syringe and spatula
    • Does not dry out at high temperatures, ensuring longevity
    • Highly recommended for overclocking
    Cons:
    • Limited to 1 gram, requiring multiple applications for larger heatsinks
    • Higher price point may deter casual users

    Best for: Enthusiasts and overclockers needing maximum thermal performance for CPU or GPU cooling

    Not ideal for: Casual users or those seeking larger quantities for multiple applications, due to its limited size and higher cost

    • Volume:1 Gram
    • Application:Thermal paste for CPU/GPU/console cooling
    • Temperature Resistance:Does not dry out even at 80°C
    • Market Position:Market leader in thermal interface materials
    • Pros:High thermal conductivity, easy application, long-lasting
    • Cons:Limited size, premium price
    Our verdict
    “Perfect for users needing top-tier thermal performance in overclocked or high-performance systems.”
  8. Corsair TM30 Performance Thermal Paste

    Corsair TM30 Performance Thermal Paste

    Best for Easy Application and Stable Long-Term Use

    View Latest Price

    The Corsair TM30 offers a zinc oxide-based formula that balances effective heat transfer with ease of application. Its included stencil and spreader facilitate a cleaner, more precise application compared to viscous pastes like the ARCTIC MX-7. While its 3-gram size might require multiple applications for larger CPUs or GPUs, it provides reliable, long-term stability without drying or cracking. Compared to Kryonaut, the TM30 is less suited for extreme overclocking but excels in everyday performance with minimal fuss. Its non-conductive nature adds safety, though the limited volume can be a drawback for those managing multiple devices or building a custom loop.

    Pros:
    • Easy to apply with included stencil and spreader
    • Long-lasting stability without drying or cracking
    • Non-conductive and safe for all devices
    • Effective thermal transfer for CPU and GPU
    Cons:
    • Limited volume of 3 grams may require reapplication
    • Not tailored for extreme overclocking conditions

    Best for: PC builders and gamers seeking a reliable, easy-to-apply thermal paste for regular use

    Not ideal for: Overclockers or professionals requiring maximum thermal transfer and larger quantities

    • Type:Thermal Paste
    • Volume:3 grams
    • Material:Zinc Oxide
    • Features:Easy application, long service life, non-conductive
    Our verdict
    “Ideal for those who prioritize ease of application and consistent performance in everyday systems.”
  9. ARCTIC MX-7 Thermal Paste (4 g) with MX-Cleaner

    ARCTIC MX-7 Thermal Paste (4 g) with MX-Cleaner

    Best for Easy Surface Preparation and Long-Term Stability

    View Latest Price

    The ARCTIC MX-7 with MX Cleaner simplifies the surface prep process, making it a solid choice for users who want reliable, long-term thermal performance. Its dense, viscous consistency ensures high thermal transfer efficiency, comparable to Kryonaut but with added convenience thanks to the included cleaner. Unlike the Corsair TM30, which relies on manual spreading, MX-7’s self-distributing nature under pressure can be advantageous if applied correctly. Its 4 g size is suitable for multiple applications, though users should be mindful of the application technique to avoid uneven coverage. Overall, this product balances performance and ease of use for users who want a no-fuss solution.

    Pros:
    • High thermal conductivity for effective heat transfer
    • Includes MX Cleaner for easy surface prep
    • Long-lasting stability resistant to pump-out and dry-out
    • Safe for all electronic devices
    Cons:
    • Cannot be spread manually, requiring proper pressure application
    • Viscous consistency may be tricky for even application

    Best for: Tech enthusiasts and DIY builders who value surface preparation and long-term stability

    Not ideal for: Overclockers needing maximum thermal headroom, due to application nuances and quantity limits

    • Weight:4 g
    • Includes:MX Cleaner
    • Type:Thermal Paste
    • Features:High thermal conductivity, long durability, non-conductive
    Our verdict
    “Best suited for users who want a stable, reliable paste with easy surface preparation features.”
  10. Thermal Grizzly Kryonaut 1 Gram Thermal Paste with Cleaning Wipes

    Thermal Grizzly Kryonaut 1 Gram Thermal Paste with Cleaning Wipes

    Best for High-Performance Overclocking and Demanding Applications

    View Latest Price

    Thermal Grizzly Kryonaut is tailored for overclockers and professionals who need the absolute best heat transfer. Its exceptional thermal conductivity makes it a top choice for pushing CPUs and GPUs beyond stock limits. The inclusion of cleaning wipes simplifies surface prep, a plus for quick, clean application. Compared with the ARCTIC MX-7, Kryonaut excels in extreme conditions but comes at a higher cost and in a small 1-gram package, which might require frequent reapplication. Its resistance to drying out at high temperatures ensures consistent performance, though the small size isn’t ideal for extensive use or multiple systems. It’s a no-compromise choice for demanding users who value maximum thermal transfer over volume.

    Pros:
    • Exceptional heat conductivity for overclocking
    • Includes cleaning wipes for quick surface prep
    • Long-lasting, resistant to drying out at high temperatures
    • Ideal for demanding applications
    Cons:
    • Small 1-gram size limits reapplication frequency
    • Premium price may be prohibitive for casual users

    Best for: Overclockers and high-performance PC builders requiring the best thermal transfer for demanding workloads

    Not ideal for: Casual users or those with multiple systems, due to small size and premium price

    • Thermal Conductivity:Extreme
    • Package Size:1 Gram
    • Includes:12 cleaning wipes
    Our verdict
    “Best suited for users who need maximum thermal performance and are comfortable with small quantities.”
  11. ARCTIC MX-4 Thermal Paste (45 g) for CPU and GPU

    ARCTIC MX-4 Thermal Paste (45 g) for CPU and GPU

    Best Overall for Long-Term Reliability

    View Latest Price

    The ARCTIC MX-4 in the 45 g size stands out for its combination of high thermal conductivity and safety. Its carbon microparticle formulation ensures efficient heat transfer, making it ideal for both gaming PCs and workstations. Compared to the smaller 4 g version, this larger quantity offers better value for users with multiple builds or frequent reapplications, though it may be less convenient for quick swaps. The non-conductive formula reduces risk of short circuits, a key advantage for beginners or those unfamiliar with thermal pastes. Its long-lasting performance means fewer reapplications over time, but the size might be a drawback for casual users with few systems. This pick makes the most sense for users seeking reliable, long-term cooling without the need for frequent reapplication.

    Pros:
    • High thermal conductivity for efficient heat dissipation
    • Non-conductive and safe to use, reducing short-circuit risk
    • Easy to apply with an ideal consistency
    • Long-lasting performance with durability over years
    Cons:
    • Contains only 45 g, which may be less suitable for extensive use
    • No specific compatibility details for all processor types

    Best for: Enthusiasts and DIYers who need a dependable, long-term thermal interface for multiple systems

    Not ideal for: Casual users or those only needing a small amount for a one-time application

    • Weight:45 g
    • Type:Thermal Paste
    • Application:CPU, GPU
    • Material:Carbon microparticles
    • Safety:Non-conductive
    Our verdict
    “This version of MX-4 is best suited for users prioritizing long-term reliability and large-volume use.”
  12. Thermal Grizzly Kryonaut Extreme – 2 Gram High Performance Thermal Paste for CPU/GPU Overclocking

    Thermal Grizzly Kryonaut Extreme - 2 Gram High Performance Thermal Paste for CPU/GPU Overclocking

    Best for Overclockers and High-Performance Users

    View Latest Price

    Thermal Grizzly Kryonaut Extreme makes the list for demanding overclocking and high-heat scenarios. Its exceptional thermal conductivity surpasses most standard pastes like the ARCTIC MX-4, facilitating superior heat transfer for CPUs and GPUs pushed to their limits. The 2-gram syringe is ideal for precision application on multiple components but may be insufficient for extensive multi-system use. Designed specifically for high-performance environments, it maintains stability even at elevated temperatures, unlike more casual pastes. Its ease of application with included syringe and applicator simplifies installation, but overkill for everyday users who won’t benefit from its advanced capabilities. This paste is best for overclockers or enthusiasts who need maximum cooling performance without concern for quantity.

    Pros:
    • Exceptional heat transfer for demanding overclocking
    • Stable performance at high temperatures
    • Easy to apply with included syringe and applicator
    • Long-lasting stability in extreme conditions
    Cons:
    • Limited 2 g quantity for multiple applications
    • Overkill for typical daily use or casual computing

    Best for: Overclockers and gamers pushing their systems to the edge

    Not ideal for: Casual users or those seeking a large volume for multiple applications

    • Quantity:2 grams
    • Application:Up to 12 CPUs depending on size
    Our verdict
    “This paste is ideal for high-performance builds where maximum thermal transfer is critical, not for casual or low-power systems.”
  13. ARCTIC MX-4 Thermal Paste (4 g) for CPU and GPU

    ARCTIC MX-4 Thermal Paste (4 g) for CPU and GPU

    Best for Beginners and General Use

    View Latest Price

    The ARCTIC MX-4 4 g offers a compact, high-performance solution suitable for newcomers and experienced builders alike. Its carbon microparticle formula provides very high thermal conductivity, enabling quick and effective heat dissipation on CPUs and GPUs. Compared with larger containers, the smaller 4 g package is more manageable for single or occasional reapplications but might require more frequent topping up for multiple systems. Its non-conductive, durable nature makes it safe and easy to apply, especially for those unfamiliar with more complex pastes. While it’s a reliable choice, the limited quantity could be a drawback for users with numerous devices or frequent upgrades. This product is perfect for users seeking a straightforward, reliable thermal paste for occasional or initial setups.

    Pros:
    • High thermal conductivity ensures efficient heat transfer
    • Non-electrical conductive and safe to use
    • Long-lasting durability of at least 8 years
    • Easy to apply, suitable for beginners
    Cons:
    • Small 4 g size may require frequent reapplication
    • Less suited for extensive multi-system use

    Best for: Beginners or users performing a one-time or infrequent reapplication

    Not ideal for: Power users or enthusiasts managing multiple systems regularly

    • Package Size:4 g
    • Thermal Conductivity:Very high
    • Application:CPU, GPU, PC, PS4, Xbox
    • Durability:At least 8 years
    • Safety:Non-conductive, non-capacitive
    Our verdict
    “This pick makes sense for users new to thermal pastes or with limited systems needing reliable, easy-to-apply solutions.”
  14. ARCTIC MX-6 Thermal Paste (4 g, includes 6 MX Cleaner)

    ARCTIC MX-6 Thermal Paste (4 g, includes 6 MX Cleaner)

    Best for Versatile and Long-Lasting Cooling

    View Latest Price

    ARCTIC MX-6 provides an upgrade over previous models like the MX-4, with improved thermal conductivity for CPU, GPU, and laptop cooling. Its non-conductive formula enhances safety, especially when applied on laptops or sensitive components. The inclusion of 6 MX Cleaners simplifies the reapplication process, helping maintain optimal thermal performance over time. While the 4 g size might seem limited, it’s suitable for multiple reapplications across different devices. Compared to larger pastes, MX-6 offers a balanced mix of performance, safety, and convenience. However, users with extensive systems might need additional quantities. This thermal paste is perfect for those seeking a versatile, durable, and easy-to-maintain cooling solution.

    Pros:
    • Improved thermal conductivity over previous models
    • Non-conductive, reducing risk of short circuits
    • Includes 6 MX Cleaners for easy reapplication
    • Versatile for CPUs, GPUs, and laptops
    Cons:
    • Limited to 4 g, requiring reapplication over time
    • May need additional quantities for extensive setups

    Best for: Users managing multiple devices or seeking a long-lasting, maintenance-friendly paste

    Not ideal for: Casual users or those with minimal systems who prefer larger bulk options

    • Weight:4 g
    • Thermal Conductivity:Very high
    • Includes:6 MX Cleaners
    • Application:CPU, GPU, laptops
    • Durability:Long-lasting
    Our verdict
    “This paste suits users who want a reliable, versatile, and maintainable thermal interface across multiple devices.”
  15. ARCTIC MX-6 Thermal Paste (8 g)

    ARCTIC MX-6 Thermal Paste (8 g)

    Best for Versatile and High-Performance Cooling

    View Latest Price

    ARCTIC MX-6 in 8 g offers an improved thermal performance with lower resistance, making it suitable for a wide range of applications from CPUs to gaming consoles. Its non-conductive, easy-to-apply formula ensures safety and convenience, with a durability designed to last for years. Compared with the smaller 4 g tube, the 8 g size provides more value and is better suited for enthusiasts or users with multiple systems. It delivers a more substantial quantity for those who prefer fewer reapplications over time, without sacrificing performance. The absence of specific cons makes it a straightforward choice, but users needing tiny amounts for rare tasks might find the larger size unnecessary. This thermal paste is an excellent all-rounder for anyone wanting reliable, high-performance cooling across diverse devices.

    Pros:
    • Lower thermal resistance improves heat transfer
    • Non-conductive and safe for all device types
    • Versatile application across CPUs, GPUs, and laptops
    • Long-lasting durability for years of use
    Cons:
    • No major drawbacks specified
    • Larger size may be unnecessary for infrequent reapplications

    Best for: Power users, gamers, and enthusiasts with multiple systems or high-performance needs

    Not ideal for: Casual users or those with very limited application requirements

    • Volume:8 g
    • Thermal Conductivity:Very high
    • Electrical Conductivity:Non-conductive
    • Application:CPUs, GPUs, consoles, laptops
    Our verdict
    “This 8 g version is perfect for those demanding high-performance thermal paste with long-term reliability across multiple devices.”
best thermal pastes
What makes a great thermal paste
1
Thermal Conductivity and Performance
The primary factor in choosing a thermal paste is its thermal conductivity, usually measured in W/mK.
2
Ease of Application and Cleanup
For many users, especially beginners, how simple a paste is to apply and remove matters greatly.
3
Longevity and Stability
Thermal pastes vary in how long they maintain their performance.
4
Compatibility and Form Factor
Not all thermal pastes are suitable for every CPU or GPU socket.
How to choose your thermal paste
1
How we picked
This lineup was curated based on a combination of thermal performance, ease of application, value, and user reviews.
2
Thermal Conductivity and Performance
The primary factor in choosing a thermal paste is its thermal conductivity, usually measured in W/mK.
3
Ease of Application and Cleanup
For many users, especially beginners, how simple a paste is to apply and remove matters greatly.
4
Longevity and Stability
Thermal pastes vary in how long they maintain their performance.
5
Compatibility and Form Factor
Not all thermal pastes are suitable for every CPU or GPU socket.
Vetted thermal pastes ·
The best thermal pastes, compared
★ Winner ARCTIC MX-7 Thermal Paste
Best Overall for Long-Term Reliability
15compared
3thermal conductivitys

How We Picked

This lineup was curated based on a combination of thermal performance, ease of application, value, and user reviews. We prioritized pastes with high thermal conductivity ratings and consistent performance across various testing scenarios. Durability and ease of cleanup also played roles in ranking, ensuring products are user-friendly for both novices and experienced builders. Price-to-performance ratios were carefully considered, helping to highlight options that offer the best value without sacrificing essential thermal qualities.

Factors to Consider When Choosing Best Thermal Pastes

Choosing the right thermal paste involves understanding several key factors that affect cooling performance and application. While higher thermal conductivity generally means better heat transfer, ease of use and long-term durability are equally important. Compatibility with your CPU or GPU socket can influence your choice, especially for specific or overclocked systems. Budget considerations also matter, as premium pastes offer top performance but may be unnecessary for casual users. Knowing these factors helps you make an informed decision suited to your specific cooling needs.

Thermal Conductivity and Performance

The primary factor in choosing a thermal paste is its thermal conductivity, usually measured in W/mK. Higher values indicate better heat transfer, which is crucial for overclocking or high-performance systems. However, pastes with extremely high conductivity may be harder to apply evenly or may dry out faster. Balance performance with ease of application to find a paste that performs well without complicating installation or maintenance.

Ease of Application and Cleanup

For many users, especially beginners, how simple a paste is to apply and remove matters greatly. Some pastes come with spatulas or included cleaning wipes that streamline setup and maintenance. A thick or grainy paste can be difficult to spread evenly, leading to inconsistent cooling. Choosing a product with a smooth consistency that spreads easily can save time and frustration during installation.

Longevity and Stability

Thermal pastes vary in how long they maintain their performance. Some degrade or dry out faster, requiring reapplication sooner. High-quality pastes often include additives that improve stability over time, which is especially beneficial for long-term builds. Consider the typical lifespan of the paste if you prefer a set-it-and-forget-it approach, or if you plan multiple upgrades over time.

Size and Value

Quantities range from small 1-gram samples to larger 45-gram containers. Larger sizes typically offer better value per gram, making them ideal for multiple builds or frequent maintenance. Smaller tubes are more convenient for occasional use but can be more expensive over time. Determine your usage frequency and budget to choose a size that balances cost and practicality.

Compatibility and Form Factor

Not all thermal pastes are suitable for every CPU or GPU socket. Some pastes are formulated specifically for high-performance overclocking, while others are designed for general use. Always verify compatibility with your hardware to prevent potential issues. Overclockers and enthusiasts should prioritize pastes with high thermal conductivity, while casual users can opt for more straightforward options.

Frequently Asked Questions

How often should I reapply thermal paste?

Reapplication frequency depends on the quality of the paste and your system’s usage. Typically, high-quality pastes can last 3-5 years under normal conditions before needing reapplication. Overclocked or heavily used systems may benefit from more frequent reapplications, such as every 1-2 years, especially if temperatures start to rise or if you notice thermal throttling. Regular inspection and cleaning during upgrades or maintenance can help maintain optimal cooling performance.

Is thermal paste necessary for all CPUs and GPUs?

Yes, thermal paste is essential for establishing efficient heat transfer between the chip and heatsink. Without it, air gaps or uneven contact can cause higher temperatures and potential overheating. Even with pre-applied thermal interface material on some stock coolers, replacing or reapplying thermal paste can improve cooling, especially if the original application has dried out or degraded over time.

Can I use any thermal paste on my CPU or GPU?

While most thermal pastes are compatible with CPUs and GPUs, not all are equally effective or suitable for every situation. For high-performance overclocking, opt for pastes with high thermal conductivity like Kryonaut Extreme. For casual use, more affordable options like ARCTIC MX-4 or MX-6 are sufficient. Always check the manufacturer’s specifications and compatibility, and avoid pastes with ingredients that could cause corrosion or damage to sensitive components.

What is the difference between metal-based and ceramic-based thermal pastes?

Metal-based pastes, such as those containing silver or other metals, generally offer higher thermal conductivity but can be electrically conductive, increasing the risk of shorts if applied improperly. Ceramic-based pastes are electrically non-conductive, making them safer for most users, though they often have slightly lower thermal transfer rates. Your choice depends on your comfort with application complexity and your cooling needs—metal-based pastes excel in high-performance scenarios, while ceramic ones suit everyday use.

Does a higher price guarantee better cooling performance?

Not necessarily. While high-end pastes like Kryonaut Extreme often provide superior thermal transfer, many mid-range options like ARCTIC MX-4 deliver excellent results for most users at a lower cost. Price can reflect factors like brand reputation, longevity, and ease of application rather than just thermal conductivity. Carefully consider your specific needs—overclocking, long-term stability, or ease of use—before investing in the most expensive option.

Conclusion

For most users seeking reliable, easy-to-apply thermal paste, the ARCTIC MX-4 offers an excellent balance of performance and value. Overclockers or enthusiasts pushing their systems to the limit should consider the Thermal Grizzly Kryonaut Extreme for maximum cooling. Beginners or casual builders will benefit from simple, non-conductive options like the ARCTIC MX-6. Those requiring larger quantities or specific performance characteristics should evaluate based on their system demands and budget.
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