When it comes to cooling performance, choosing the right thermal paste makes a significant difference. The Noctua NT-H2 stands out as the best overall for its balanced performance and ease of use, while Thermal Grizzly Kryonaut offers exceptional thermal conductivity for overclockers. For a budget-friendly option, ARCTIC MX-4 provides solid performance without breaking the bank. The main tradeoffs involve balancing thermal efficiency, longevity, ease of application, and cost. Continue reading to see how each product compares and which one suits your specific needs best.
Key Takeaways
- The best thermal pastes excel in thermal conductivity but often vary in ease of application and longevity.
- High-performance options like Kryonaut are ideal for overclocking, but come at a premium price.
- Budget options such as ARCTIC MX-4 deliver reliable performance with minimal fuss.
- Application method and packaging impact user experience and results.
- Choosing the right thermal paste depends on your specific use case, whether for gaming, overclocking, or everyday use.
| Noctua NT-H2 3.5g Thermal Compound with Cleaning Wipes |  | Best Overall for Ease and Reliability | Weight: 3.5g | Application: Around 3-20 applications depending on CPU size | Compatibility: Desktop CPUs and GPUs, including AMD Ryzen, Intel Core, AMD Radeon, Nvidia GeForce, PS4/PS5, Xbox, laptops | VIEW LATEST PRICE | See Our Full Breakdown |
| Corsair TM30 Performance Thermal Paste | Ultra-Low Thermal Impedance CPU/GPU | 3 Grams with Applicator, Silver |  | Best for Enthusiasts Seeking Long-Lasting Stability | Type: Thermal Paste | Volume: 3 grams | Material: Zinc Oxide | VIEW LATEST PRICE | See Our Full Breakdown |
| ARCTIC MX-4 Thermal Paste (45 g) for CPU and GPU |  | Best for Beginners and Budget-Conscious Users | Weight: 45 g | Type: Thermal Paste | Application: CPU and GPU | VIEW LATEST PRICE | See Our Full Breakdown |
| Thermal Grizzly Kryonaut 1 Gram Thermal Paste with Cleaning Wipes |  | Best for Overclockers and High-Performance Builds | Thermal Conductivity: Extreme | Package Size: 1 Gram | Includes: Cleaning wipes | VIEW LATEST PRICE | See Our Full Breakdown |
| Thermal Grizzly Kryonaut Extreme 2g Thermal Paste with Cleaning Wipes |  | Best for Extreme Overclocking and Compatibility with Consoles | Thermal Conductivity: Extreme | Package Size: 2 grams | Includes: Cleaning wipes | VIEW LATEST PRICE | See Our Full Breakdown |
| ARCTIC MX-4 Thermal Paste (4 g) – High Performance CPU & GPU Thermal Compound with Spatula |  | Best Overall for Versatility and Reliability | Quantity: 4 g | Application: CPU, GPU | Features: High thermal conductivity, non-electrical conductive, safe for electronics | VIEW LATEST PRICE | See Our Full Breakdown |
| ARCTIC MX-7 Thermal Paste (8 g) – High Performance CPU, GPU, and Laptop Thermal Compound |  | Best for Long-Term Stability in Diverse Devices | Cooling Method: Thermal | Compatible Devices: Desktop, Gaming Console, Graphic Cards, Laptop | Item Dimensions: 1″L x 0.6″W x 4.2″H | VIEW LATEST PRICE | See Our Full Breakdown |
| ARCTIC MX-7 Thermal Paste (4 g) |  | Best for Safe, Reliable, and Easy Application | Size: 4 g | Type: Thermal Paste | Features: High thermal conductivity, long durability, non-conductive | VIEW LATEST PRICE | See Our Full Breakdown |
| ARCTIC MX-4 Thermal Paste (4 g) for CPU and GPU |  | Best for Long-Term Performance and Ease of Use | Package Size: 4 g | Thermal Conductivity: Very high | Application: CPU, GPU, PS4, Xbox | VIEW LATEST PRICE | See Our Full Breakdown |
| Thermal Grizzly Kryonaut Extreme – 2 Gram High-Performance Thermal Paste for CPU/GPU Overclocking |  | Best for Overclocking and Extreme Cooling | Package Size: 2 grams | Application: CPU, GPU, Overclocking | Temperature Stability: Up to 80°C | VIEW LATEST PRICE | See Our Full Breakdown |
| ARCTIC MX-6 Thermal Paste (4 g, includes 6 MX Cleaner) – High Performance CPU, GPU, and Laptop Thermal Compound |  | Best Overall for Versatility and Safety | Weight: 4 g | Includes: 6 MX Cleaner | Thermal Conductivity: High | VIEW LATEST PRICE | See Our Full Breakdown |
| ARCTIC MX-6 Thermal Paste (8 g) |  | Best Value for Versatile and Long-Lasting Cooling | Weight: 8 g | Thermal Conductivity: Very high | Application: CPUs, GPUs, consoles, laptops | VIEW LATEST PRICE | See Our Full Breakdown |
| ARCTIC MX-6 Thermal Paste (4 g) |  | Best for Budget-Conscious Users Requiring Versatility | Quantity: 4 g | Thermal Conductivity: Very high | Application: CPU, GPU, consoles, laptops | VIEW LATEST PRICE | See Our Full Breakdown |
| Thermal Grizzly Kryonaut 1 Gram High-Performance Thermal Paste |  | Best for Demanding Overclocking and Extreme Cooling | Quantity: 1 Gram | Type: Thermal Paste | Application: CPU/GPU/Overclocking | VIEW LATEST PRICE | See Our Full Breakdown |
| ARCTIC MX-7 Thermal Paste (4 g) with MX-Cleaner |  | Best for Long-Term Stability and Ease of Application | Weight: 4 g | Includes: MX-Cleaner | Type: Thermal Paste | VIEW LATEST PRICE | See Our Full Breakdown |
| thermal paste | Application |
|---|---|
| Noctua NT-H2 3.5g Thermal Comp | Around 3-20 applications depending on CPU size |
| Corsair TM30 Performance Therm | CPU and GPU |
| ARCTIC MX-4 Thermal Paste | CPU and GPU |
| Thermal Grizzly Kryonaut 1 Gra | CPU, GPU |
| Thermal Grizzly Kryonaut Extre | CPU, GPU, gaming consoles |
| ARCTIC MX-4 Thermal Paste | CPU, GPU |
| ARCTIC MX-7 Thermal Paste | — |
| ARCTIC MX-7 Thermal Paste | — |
| ARCTIC MX-4 Thermal Paste | CPU, GPU, PS4, Xbox |
| Thermal Grizzly Kryonaut Extre | CPU, GPU, Overclocking |
| ARCTIC MX-6 Thermal Paste | CPU, GPU, Laptop, Console |
| ARCTIC MX-6 Thermal Paste | CPUs, GPUs, consoles, laptops |
| ARCTIC MX-6 Thermal Paste | CPU, GPU, consoles, laptops |
| Thermal Grizzly Kryonaut 1 Gra | CPU/GPU/Overclocking |
| ARCTIC MX-7 Thermal Paste | — |
More Details on Our Top Picks
Noctua NT-H2 3.5g Thermal Compound with Cleaning Wipes
The Noctua NT-H2 stands out for its balanced performance and user-friendly application, making it the best choice for those seeking reliable, long-term thermal results without hassle. Unlike the ARCTIC MX-4, which offers a larger quantity for frequent reapplications, NT-H2’s smaller 3.5g pack is perfect for occasional upgrades or maintenance, though it might require careful application to maximize thermal transfer. Its included cleaning wipes add convenience, and it applies without spreading, saving time during installation. While it offers excellent stability and heat transfer, users should handle it carefully to avoid over-application or mishandling, especially given the limited amount per pack. Overall, this pick makes the most sense for enthusiasts and professionals prioritizing low maintenance and consistent performance over volume.
Pros:- Easy to apply without spreading needed
- Includes cleaning wipes for quick surface prep
- Provides stable, consistent thermal performance
Cons:- Limited amount per pack, less ideal for multiple or large-scale applications
- Careful application required to avoid suboptimal results
Best for: DIY builders and PC enthusiasts who value reliability and ease of use in a compact package
Not ideal for: Heavy users performing frequent reapplications or upgrading multiple systems regularly, due to limited quantity
- Weight:3.5g
- Application:Around 3-20 applications depending on CPU size
- Compatibility:Desktop CPUs and GPUs, including AMD Ryzen, Intel Core, AMD Radeon, Nvidia GeForce, PS4/PS5, Xbox, laptops
- Includes:3 cleaning wipes
- Long-term stability:Yes
- Ease of application:Very easy, no spreading required
Our verdict“Ideal for users who want a dependable, straightforward thermal paste with minimal fuss and long-term stability.”
Corsair TM30 Performance Thermal Paste | Ultra-Low Thermal Impedance CPU/GPU | 3 Grams with Applicator, Silver
The Corsair TM30 excels at delivering exceptional thermal transfer thanks to its zinc oxide formula, particularly suited for overclocked CPUs or GPUs. Compared with the ARCTIC MX-4, which is designed for general use, TM30’s ultra-low thermal impedance makes it the better choice for demanding setups. Its included applicator and spreader facilitate precise application, and its non-conductive nature reduces risk for casual users. However, zinc oxide-based pastes can be less forgiving during application and may not be ideal for those seeking a simple, no-mess solution. This thermal compound is overkill for standard, everyday computing but shines in high-performance scenarios where maximum heat dissipation is critical. The tradeoff is that it’s best suited for enthusiasts comfortable with meticulous application.
Pros:- Excellent thermal transfer for CPU and GPU
- Easy to apply with provided stencil and spreader
- Long-lasting, stable performance without drying
Cons:- Contains zinc oxide, which may pose handling concerns for some
- Potentially overkill for typical everyday use
Best for: Overclockers and power users needing maximum thermal performance and stability
Not ideal for: Casual users or those new to PC building, due to its more complex application and potential messiness
- Type:Thermal Paste
- Volume:3 grams
- Material:Zinc Oxide
- Application:CPU and GPU
- Features:Ultra-low thermal impedance, non-conductive
- Long service life:Yes
Our verdict“Best suited for experienced users aiming for peak thermal performance in demanding applications.”
ARCTIC MX-4 Thermal Paste (45 g) for CPU and GPU
The ARCTIC MX-4 offers a generous 45g size, making it ideal for those new to PC building or users who require multiple reapplications. Its carbon microparticles ensure high thermal conductivity, comparable to premium pastes like Thermal Grizzly Kryonaut, but at a lower cost, making it a popular choice for budget-minded builders. Compared with Kryonaut, MX-4’s ease of application and non-conductive nature provide a safer experience for newcomers, though it may not achieve the same extreme heat transfer levels for overclocking. Its long-lasting performance reduces the need for frequent reapplication, but the carbon particles can be slightly messy to work with. Overall, this paste is best for those seeking reliable, straightforward performance without breaking the bank.
Pros:- Large 45g size offers great value
- Easy to apply and spread evenly
- Non-conductive and safe for all components
Cons:- Carbon microparticles can be messy during application
- May require reapplication more often in high-stress situations
Best for: Beginners or budget-conscious users looking for a reliable thermal compound for multiple builds
Not ideal for: Enthusiasts engaged in extreme overclocking or demanding thermal environments, where higher performance pastes are preferable
- Weight:45 g
- Type:Thermal Paste
- Application:CPU and GPU
- Features:High thermal conductivity, Non-conductive
- Long durability:Yes
- Ease of application:Simple and consistent
Our verdict“Perfect for newcomers and budget builders needing dependable thermal paste for multiple systems and general use.”
Thermal Grizzly Kryonaut 1 Gram Thermal Paste with Cleaning Wipes
Kryonaut is tailored for demanding overclocking and industrial cooling, setting it apart with its extreme thermal conductivity. Its 1-gram size is small but highly potent, suitable for precision applications where every degree counts. The included cleaning wipes ensure surface prep is straightforward, and the paste’s long-lasting performance resists drying out even under high stress. Compared to NT-H2, Kryonaut’s superior heat transfer makes it the go-to for overclockers, but it’s more expensive per gram and requires careful application to avoid waste. This paste excels in scenarios demanding maximum thermal performance but might not be necessary for average users or casual builds. Its specialized design means it’s best for those who push hardware to its limits.
Pros:- Exceptional heat conductivity for demanding tasks
- Easy to apply with included syringe and spatula
- Long-lasting, stable performance at high temperatures
Cons:- Small 1g size may require frequent reapplication
- Higher cost compared to standard pastes
Best for: Overclockers and advanced users seeking top-tier thermal transfer for high-performance CPUs and GPUs
Not ideal for: Casual users or those seeking larger quantities for routine maintenance, due to its small size and premium price
- Thermal Conductivity:Extreme
- Package Size:1 Gram
- Includes:Cleaning wipes
- Application:CPU, GPU
- Compatibility:High-performance and overclocking setups
- Curing:Non-curing
Our verdict“Ideal for overclockers and enthusiasts who need maximum thermal performance in a compact, high-quality package.”
Thermal Grizzly Kryonaut Extreme 2g Thermal Paste with Cleaning Wipes
Kryonaut Extreme raises the bar by combining extreme thermal conductivity with a 2g size that balances quantity and high performance. It is designed for demanding overclocking scenarios and high-end gaming consoles like PS4, PS5, and Xbox, making it highly versatile. The included cleaning wipes facilitate surface prep, and its non-curing formula maintains stability at temperatures up to 80°C. When compared with Kryonaut, the Extreme version’s larger size offers more reapplications, ideal for extensive overclocking or multiple devices. However, its small size and premium price make it overkill for standard use, and its application requires careful handling to avoid waste. This paste is tailored for users who demand maximum heat transfer across a broad device spectrum.
Pros:- Exceptional heat transfer suitable for high-performance scenarios
- Includes cleaning wipes for surface prep
- Compatible with multiple devices including gaming consoles
Cons:- Small 2g size may need frequent reapplication
- Premium price point may deter casual users
Best for: Overclockers, gamers, and professionals needing high thermal transfer and compatibility with consoles
Not ideal for: Casual users or those with minimal thermal demands, due to its price and specialized application
- Thermal Conductivity:Extreme
- Package Size:2 grams
- Includes:Cleaning wipes
- Application:CPU, GPU, gaming consoles
- Compatibility:High-performance and gaming hardware
- Temperature Stability:Up to 80°C
Our verdict“Designed for power users pushing hardware to its limits across PCs and consoles alike, thanks to its high thermal conductivity and versatility.”
ARCTIC MX-4 Thermal Paste (4 g) – High Performance CPU & GPU Thermal Compound with Spatula
This version of the ARCTIC MX-4 stands out for its excellent thermal conductivity, making it a reliable choice for both CPUs and GPUs. Compared to the larger 45 g version, this smaller 4 g tube is perfect for users who want a high-quality paste without excess waste, though it may require reapplication sooner. The included spatula simplifies application, reducing mess and ensuring even coverage. Its non-electrical conductive nature significantly lowers the risk of short circuits, making it ideal for beginners and hobbyists. However, the limited quantity may be a drawback for those planning multiple reapplications or extensive builds. This pick makes the most sense for users seeking a proven, safe, and easy-to-apply thermal paste for a single build or occasional use.
Pros:- High thermal conductivity ensures efficient heat dissipation
- Safe and non-electrical conductive, reducing short circuit risk
- Includes a spatula for precise, easy application
Cons:- Limited to 4 grams, requiring reapplication for multiple uses
- Not suitable for large-scale or repeated reapplications
Best for: DIY PC builders and gamers who prioritize proven performance and ease of application
Not ideal for: Enthusiasts planning multiple builds or extensive overclocking, due to limited quantity
- Quantity:4 g
- Application:CPU, GPU
- Features:High thermal conductivity, non-electrical conductive, safe for electronics
Our verdict“This version offers dependable performance for users who need a straightforward, safe thermal paste for occasional or single-use applications.”
ARCTIC MX-7 Thermal Paste (8 g) – High Performance CPU, GPU, and Laptop Thermal Compound
Compared with the smaller MX-4, the ARCTIC MX-7 provides twice the quantity, making it better suited for users who need a durable, long-lasting solution for multiple devices. Its dense, viscous consistency and high filler content ensure excellent heat transfer and resistance to pump-out or dry-out, ideal for laptops and gaming consoles. Unlike the MX-4, it cannot be spread manually and relies on pressure for natural distribution, which might be less precise but simplifies application for experienced users. The non-conductive formula adds an extra layer of safety for complex or sensitive electronics. The main tradeoff is that it’s less flexible in application technique, requiring users to ensure proper pressure during installation. This pick makes the most sense for those who want a stable, high-performance paste that minimizes reapplication over time.
Pros:- Excellent heat transfer with high filler content
- Long-term stability resistant to pump-out and dry-out
- Safe for all electronic devices due to non-conductive nature
Cons:- Cannot be spread manually, requiring pressure-based application
- Less control over application distribution for novices
Best for: Advanced users and technicians needing a durable, long-term thermal interface for various devices
Not ideal for: Beginners or users requiring manual spreading and quick, simple application
- Cooling Method:Thermal
- Compatible Devices:Desktop, Gaming Console, Graphic Cards, Laptop
- Item Dimensions:1″L x 0.6″W x 4.2″H
Our verdict“Ideal for experienced users seeking a long-lasting, high-performance thermal paste for multiple device types.”
ARCTIC MX-7 Thermal Paste (4 g)
This 4 g version of the ARCTIC MX-7 continues the brand’s reputation for safe, high-performance thermal management. It offers excellent heat transfer performance comparable to the MX-4 but with a slightly different formulation optimized for long-term stability. Like its larger sibling, it cannot be spread manually and depends on pressure for distribution, making it more suitable for users comfortable with applying pressure during installation. Its non-conductive, non-capacitive design ensures safety across a variety of electronics, from PCs to consoles. The main tradeoff is that application consistency relies heavily on proper technique, which might challenge beginners. This paste is best suited for those looking for a stable, long-lasting solution that minimizes reapplication effort.
Pros:- High thermal conductivity for effective heat transfer
- Long-lasting stability under thermal cycling
- Safe for all devices due to non-conductive properties
Cons:- Requires pressure for natural spreading, not manual
- Application technique impacts performance
Best for: Experienced users and technicians needing a stable, long-term thermal interface
Not ideal for: Beginners who prefer manual spreading or quick fixes
- Size:4 g
- Type:Thermal Paste
- Features:High thermal conductivity, long durability, non-conductive
Our verdict“Perfect for users who prioritize durability and safety over ease of manual application.”
ARCTIC MX-4 Thermal Paste (4 g) for CPU and GPU
This 4 g version of the MX-4 continues to be a popular choice for its combination of high thermal conductivity and straightforward application. It performs similarly to the larger 45 g variant but is better suited for users with limited application needs or those who want a quick, reliable solution. Its non-conductive, durable formulation ensures safe, long-term use, with an estimated lifespan of up to 8 years—making it ideal for users who want a maintenance-free cooling solution. Unlike some pastes that require manual spreading, the MX-4 relies on pressure, simplifying the process but demanding proper installation. Its relatively small size might mean more frequent reapplications for extensive or multiple builds, which is the main tradeoff. This product makes sense for users seeking a balance of high performance and simplicity.
Pros:- High thermal conductivity ensures efficient cooling
- Long-lasting performance up to 8 years
- Safe and easy to apply, ideal for newcomers
Cons:- Small package size may require frequent reapplication
- Relies on pressure for even spreading, which can affect consistency
Best for: Beginners and casual builders looking for a dependable, long-lasting thermal paste
Not ideal for: Overclockers or enthusiasts needing frequent reapplications or larger quantities
- Package Size:4 g
- Thermal Conductivity:Very high
- Application:CPU, GPU, PS4, Xbox
- Safety:Non-conductive, non-capacitive
- Durability:At least 8 years
Our verdict“This paste offers a balanced choice for users seeking reliable, long-term thermal performance with straightforward application.”
Thermal Grizzly Kryonaut Extreme – 2 Gram High-Performance Thermal Paste for CPU/GPU Overclocking
Compared with the ARCTIC MX-4 and MX-7, the Kryonaut Extreme stands out for its exceptional thermal conductivity, making it the top choice for overclocking or demanding high-performance scenarios. Its 2-gram syringe is compact but highly effective, as a little goes a long way in reducing temperatures significantly. The paste’s ability to perform reliably at temperatures up to 80°C and beyond ensures stability under intense workloads, while its ease of application with the included syringe simplifies installation. However, the limited quantity can be a drawback for users with multiple devices or frequent needs, as reapplication may be necessary. This paste is best suited for enthusiasts and overclockers who need the highest possible thermal transfer and are willing to manage small quantities carefully.
Pros:- Outstanding thermal conductivity for extreme heat transfer
- Easy to apply with included syringe and applicator
- Provides immediate temperature reduction and noise decrease
Cons:- Limited to 2 grams, requiring careful reapplication
- Price premium for high performance
Best for: Overclockers and high-performance PC builders seeking maximum cooling in tight spaces
Not ideal for: Casual users or those needing larger quantities for multiple builds
- Package Size:2 grams
- Application:CPU, GPU, Overclocking
- Temperature Stability:Up to 80°C
- Performance:Exceptional
Our verdict“This thermal paste is ideal for users pushing their systems to the limit and needing top-tier cooling in small quantities.”
ARCTIC MX-6 Thermal Paste (4 g, includes 6 MX Cleaner) – High Performance CPU, GPU, and Laptop Thermal Compound
The ARCTIC MX-6 (4 g) stands out for its excellent thermal performance combined with ease of use and safety. Its non-conductive formula ensures no risk of short circuits, making it ideal for a wide range of devices from CPUs to gaming consoles. Compared to the larger 8 g version, this smaller size is perfect for occasional or targeted applications but may require reapplication for extensive builds. The included MX Cleaner simplifies surface prep, which is a plus for newcomers. While it offers high thermal conductivity, its limited amount may be a drawback for users managing multiple components or frequent reapplications. Overall, this pick suits users seeking reliable, safe, and versatile thermal paste without the need for large quantities.
Pros:- Excellent thermal performance with high conductivity
- Non-conductive, safe for all electronics
- Includes cleaning supplies for easy application
- Versatile for CPUs, GPUs, and consoles
Cons:- Limited to 4 g, requiring multiple reapplications for larger projects
- Not suitable for extensive or continuous use
Best for: Enthusiasts and technicians who need a safe, high-performance paste for occasional use across various devices.
Not ideal for: Heavy overclockers or users with multiple heatsinks needing large quantities, as 4 g may be insufficient for frequent reapplications.
- Weight:4 g
- Includes:6 MX Cleaner
- Thermal Conductivity:High
- Application:CPU, GPU, Laptop, Console
- Electrical Conductivity:Non-conductive
- Durability:Reliable
Our verdict“This thermal paste is perfect for users who value safety, versatility, and reliable cooling in smaller quantities.”
ARCTIC MX-6 Thermal Paste (8 g)
The ARCTIC MX-6 (8 g) offers a significant boost in thermal performance over smaller packs, with very high thermal conductivity that reduces resistance and improves cooling efficiency. Its non-conductive composition makes it safe for multiple device types, including CPUs, GPUs, and laptops. Compared to the 4 g version, this larger size provides better value for users who perform multiple reapplications or manage several components, though it still requires proper application technique. Its durability and long-lasting performance make it ideal for users seeking a reliable, premium thermal interface. The main tradeoff is that, like other high-performance pastes, the actual performance gain depends heavily on proper application. Overall, this product fits users who want a balance of performance, safety, and volume.
Pros:- Improved thermal performance with very high conductivity
- Non-conductive and safe for multiple applications
- Large 8 g size offers good value
- Suitable for CPUs, GPUs, and laptops
Cons:- Performance improvements vary with application quality
- Requires careful and proper application to maximize benefits
Best for: Power users and PC builders who need a high-performance, long-lasting thermal paste in larger quantities.
Not ideal for: Casual users or those with minimal thermal management needs, since 8 g might be more than necessary for occasional use.
- Weight:8 g
- Thermal Conductivity:Very high
- Application:CPUs, GPUs, consoles, laptops
- Electrical Conductivity:Non-conductive
- Durability:Long-lasting
Our verdict“This paste provides excellent value and performance for users managing multiple components or seeking long-term reliability.”
ARCTIC MX-6 Thermal Paste (4 g)
The ARCTIC MX-6 (4 g) remains a strong contender for those who want reliable thermal performance without paying a premium. Its very high thermal conductivity ensures effective heat transfer, while its non-conductive nature minimizes risk during application. Compared to larger or more specialized pastes like Kryonaut, this version is more suited for moderate cooling needs or casual overclocking. The 4 g size may require multiple reapplications for larger heatsinks or frequent maintenance, but its ease of use and safety make it appealing for DIYers or hobbyists. The main tradeoff is that, for demanding overclocking or extreme cooling, a paste like Kryonaut might outperform it, especially in high-temperature scenarios. For most users, this offers a solid balance of performance and affordability.
Pros:- Excellent thermal conductivity for cooling
- Non-conductive and safe to handle
- Affordable and easy to apply
- Suitable for a variety of devices
Cons:- Limited to 4 g, may need multiple applications
- Not optimized for extreme overclocking
Best for: DIY builders and moderate overclockers looking for a dependable paste at an accessible price point.
Not ideal for: Extreme overclockers or professionals who need maximum thermal conductivity and minimal reapplication, as Kryonaut outperforms it in demanding conditions.
- Quantity:4 g
- Thermal Conductivity:Very high
- Application:CPU, GPU, consoles, laptops
- Electrical Conductivity:Non-conductive
- Durability:Long-lasting
Our verdict“This thermal paste is a reliable choice for budget-conscious users who need versatile, safe cooling performance.”
Thermal Grizzly Kryonaut 1 Gram High-Performance Thermal Paste
Thermal Grizzly Kryonaut earns its reputation by delivering exceptional heat transfer, making it ideal for overclocking CPUs and GPUs. Its high thermal conductivity ensures immediate temperature drops, especially in demanding applications. The 1-gram syringe is designed for precision, and its long-lasting performance means it won’t dry out at high temperatures, unlike lower-quality pastes. However, its small size makes it less suited for large-scale builds or frequent reapplications, and it requires careful application to avoid uneven spreading. Compared with larger, more general-purpose pastes like MX-6, Kryonaut excels in scenarios where maximum thermal performance outweighs volume. This pick makes the most sense for enthusiasts pushing hardware boundaries or professional overclockers.
Pros:- Exceptional thermal conductivity for demanding tasks
- Long-lasting and resistant to drying out
- Easy to apply with included syringe and spatula
- Ideal for overclocking and high-performance builds
Cons:- Limited to 1 gram, may require multiple applications
- Not suitable for large heatsinks or frequent reapplications
Best for: Overclockers and enthusiasts needing a thermal interface for high-stress, demanding applications.
Not ideal for: Casual users or those new to PC building, due to the small quantity and precise application required.
- Quantity:1 Gram
- Type:Thermal Paste
- Application:CPU/GPU/Overclocking
- Temperature Resistance:Does not dry out at 80°C
Our verdict“Designed for high-stress overclocking scenarios, this paste offers unmatched thermal transfer but is less practical for casual or large-scale use.”
ARCTIC MX-7 Thermal Paste (4 g) with MX-Cleaner
The ARCTIC MX-7 (4 g) combines high thermal conductivity with a viscous, easy-to-manage consistency that prevents trapping air bubbles during application. Its long-lasting stability reduces the need for frequent reapplications, making it suitable for continuous or long-term cooling solutions. The included MX-Cleaner simplifies surface prep, which is helpful for DIY builders. While its viscous nature can be challenging for some to spread evenly without proper technique, it ultimately ensures thorough contact with the CPU or GPU surface. Compared to the more runny MX-6, MX-7’s thicker consistency provides better fill-in for uneven surfaces, but may require some practice to apply evenly. Overall, this paste is ideal for users prioritizing durability and surface coverage.
Pros:- High thermal conductivity for efficient cooling
- Long-lasting stability and resistance to pump-out
- Includes MX-Cleaner for surface prep
- Viscous consistency prevents trapping air bubbles
Cons:- Requires proper application technique due to thick consistency
- Cannot be spread manually, may need proper tools
Best for: Long-term PC builders and maintenance enthusiasts seeking a stable, durable thermal interface.
Not ideal for: Users who prefer a thinner, easier-to-spread paste, or those with limited application experience, as it may be difficult to spread evenly.
- Weight:4 g
- Includes:MX-Cleaner
- Type:Thermal Paste
- Compatibility:CPUs, GPUs, laptops, consoles
- Electrical Conductivity:Non-conductive
- Durability:Long-lasting
Our verdict“This paste is best suited for users who want a durable, stable thermal solution with surface preparation included, but needs careful application technique.”
How We Picked
I evaluated these thermal pastes based on performance metrics such as thermal conductivity and stability under load. Ease of application, longevity, and user experience were also key factors, especially for beginners. Value was considered by comparing price per performance, while versatility was assessed through compatibility with CPUs and GPUs. Products are ranked to reflect a balance of these factors, with top picks excelling in overall performance and usability for most users.Factors to Consider When Choosing Best Thermal Pastes
Selecting the best thermal paste involves more than just looking at thermal conductivity ratings. It’s essential to consider how easy the product is to apply, especially for newcomers. Durability matters if you plan to keep your system running for years without reapplication. Compatibility with your specific CPU or GPU can influence performance, as some pastes work better with certain materials. Budget constraints also play a role, but investing in a slightly more expensive option can yield better cooling for overclocked systems. Lastly, packaging and applicator design can make a difference in achieving a smooth, even layer.Performance and Thermal Conductivity
Thermal conductivity determines how effectively heat is transferred away from the CPU or GPU. High-performance pastes like Kryonaut excel here, making them suitable for overclocking or demanding workloads. However, the difference in real-world temperatures may diminish for casual users, so balance performance with other factors.Ease of Application
A user-friendly applicator or spreader reduces mess and helps achieve a thin, even layer. Pastes with a creamy or brush-on consistency tend to be easier for beginners. Complex or messy products can lead to poor coverage, decreasing cooling efficiency.Longevity and Stability
Some pastes degrade faster under high temperatures, requiring reapplication sooner. For long-term setups, choosing a durable compound like Noctua NT-H2 or Arctic MX-4 minimizes maintenance. Overclockers and enthusiasts should look for pastes that resist pump-out and dry-out over time.Compatibility and Material
Ensure the paste is compatible with your CPU or GPU socket. Some compounds are more suited to specific materials like aluminum or copper heatsinks. Also, consider whether the paste is electrically non-conductive, which simplifies handling and reduces risk of shorts.Price and Value
While premium pastes offer superior performance, budget options can deliver decent results for everyday use. Evaluate the price per gram and how much performance boost you’re getting. Sometimes, investing in a slightly more expensive product can pay off in better cooling and system stability.Frequently Asked Questions
How often should I replace my thermal paste?
Most thermal pastes last between 2 to 5 years, depending on system usage and operating temperatures. Over time, pastes can dry out or degrade, leading to higher temperatures. If you notice increased system temperatures or reduced performance, it’s a good idea to reapply. Regular reapplication is especially important for overclocked systems or those running under heavy loads daily.
Is it necessary to use a high-end thermal paste for gaming?
For typical gaming setups, a mid-range thermal paste like ARCTIC MX-4 provides enough thermal transfer to keep temperatures in check. High-end pastes excel in overclocking or extreme workloads but may not offer noticeable benefits for standard gaming. The key is ensuring proper application and good airflow in your case rather than just spending more on the paste.
Can I use thermal paste on both CPU and GPU?
Yes, most thermal pastes are suitable for both CPUs and GPUs, provided they are electrically non-conductive and compatible with the materials involved. However, some high-performance pastes are specifically designed for overclocking or high heat transfer scenarios, making them better suited for GPU applications. Always check the product specifications to confirm compatibility.
What is the best way to apply thermal paste?
The most effective method involves applying a small, pea-sized amount in the center of the CPU or GPU die, then letting the heatsink pressure spread it evenly. Avoid excessive amounts, which can cause spills or reduced performance. Using an applicator or spreader can help achieve a thin, uniform layer, ensuring optimal heat transfer and preventing air pockets.
Should I choose a conductive or non-conductive thermal paste?
Non-conductive pastes are generally safer, especially for beginners, because they minimize the risk of electrical shorts if spilled onto circuit boards. Conductive pastes can offer marginally better thermal performance but require careful application. For most users, non-conductive options like Arctic MX-4 strike a good balance of performance and safety.
Conclusion
For most users, the Noctua NT-H2 offers a well-rounded solution as the best overall choice, combining ease of use with reliable performance. Budget builders and casual gamers will find ARCTIC MX-4 to be an excellent value, providing solid thermal transfer without complexity. Overclockers and enthusiasts should consider Thermal Grizzly Kryonaut or Kryonaut Extreme, which deliver top-tier thermal conductivity at a higher price point. Beginners aiming for straightforward installation will benefit from pastes with user-friendly applicators. Ultimately, your selection depends on your specific system demands, budget, and comfort with installation processes.
