Corsair XTM70 Extreme Performance Thermal Paste vs Thermal Grizzly Kryonaut
Updated August 2026 — The Corsair XTM70 offers superior performance for high-end applications, while the Thermal Grizzly Kryonaut provides excellent value at a lower price.
The Corsair XTM70 offers superior performance for high-end applications, while the Thermal Grizzly Kryonaut provides excellent value at a lower price.
Why Corsair XTM70 Extreme Performance Thermal Paste is better
high wattage support
Rated for processors up to 250W TDP.
cleaning wipes included
Comes with three cleaning wipes for surface preparation.
brand reputation
Corsair is known for high-quality gaming components.
Why Thermal Grizzly Kryonaut is better
lower price
Costs £6.95 compared to £14.99.
thermal conductivity
Rated at 12.5W/mK for efficient heat transfer.
risk-free application
Non-conductive and safe for hardware.
Overall score
Specifications
| Spec | Corsair XTM70 Extreme Performance Thermal Paste | Thermal Grizzly Kryonaut |
|---|---|---|
| Brand | Corsair | Thermal Grizzly |
| Thermal Conductivity | N/A | 12.5W/mK |
| Applicator Kit | Yes | No |
| Cleaning Wipes | Yes | No |
| TDP Rating | 250W+ | N/A |
Dimension comparison
Price Comparison
When comparing the prices of Corsair XTM70 Extreme Performance Thermal Paste and Thermal Grizzly Kryonaut, there is a significant difference. The Corsair XTM70 is priced at £14.99, while the Thermal Grizzly Kryonaut is considerably cheaper at £6.95. This means the Corsair product costs more than double the price of the Thermal Grizzly option. For budget-conscious consumers or those looking for cost-effective solutions, the Thermal Grizzly Kryonaut offers a more appealing option without sacrificing performance.
Performance Analysis
In terms of thermal performance, both products are designed for high-end CPUs and GPUs, but they cater to slightly different needs. The Corsair XTM70 is specifically rated for high-performance processors up to 250W TDP and higher, making it suitable for demanding applications. On the other hand, Thermal Grizzly Kryonaut boasts a thermal conductivity rating of 12.5W/mK, which indicates its ability to efficiently transfer heat in even the most demanding configurations. While both products claim to provide effective cooling, the Corsair XTM70 targets higher wattage scenarios, while the Thermal Grizzly Kryonaut excels in extreme performance contexts.
Application Ease
Ease of application is a critical factor when selecting thermal paste. The Corsair XTM70 includes an applicator kit, allowing for a clean and even spread, which is essential for optimal thermal transfer. Additionally, it comes with three cleaning wipes to prepare surfaces effectively. Conversely, Thermal Grizzly Kryonaut features a specially designed spatula that aids in evenly spreading the paste, ensuring optimal coverage. Both products offer user-friendly application methods, but the added cleaning wipes with the Corsair XTM70 might appeal to those who prioritise surface preparation.
Compatibility
Both thermal pastes are designed for wide compatibility, but their suitability differs slightly. The Corsair XTM70 is ideal for use with Intel and AMD CPUs, as well as AIO cold plates, making it versatile for various systems. Thermal Grizzly Kryonaut, however, is marketed as suitable for a variety of applications, making it a versatile choice for CPUs, GPUs, and other components. While both products can be used effectively across different platforms, the Thermal Grizzly Kryonaut's broader application range might appeal to users with diverse cooling needs.
Safety Features
Safety is a crucial consideration when applying thermal paste, especially in high-performance setups. The Thermal Grizzly Kryonaut is specifically noted for being neither electrically conductive nor capacitive, which eliminates the risk of short circuits during application. This feature provides peace of mind, particularly for users working with expensive hardware. While the safety features of Corsair XTM70 are not explicitly mentioned, it is assumed to adhere to standard safety protocols. However, the clear risk-free claim from Thermal Grizzly Kryonaut offers added assurance for cautious consumers.
Quantity and Value
The quantity of thermal paste provided can influence the overall value for money. The Corsair XTM70 contains more than enough for multiple applications, ensuring that users can apply it across several components or systems if needed. In contrast, while the exact quantity for Thermal Grizzly Kryonaut is not specified, its lower price point at £6.95 may suggest a smaller amount. Therefore, consumers should consider how often they will need to use thermal paste and whether the larger supply of Corsair XTM70 justifies its higher price.
Brand Reputation
Brand reputation can significantly influence purchasing decisions in the tech community. Corsair is widely known for producing high-quality gaming and hardware components, often regarded as a reliable choice among enthusiasts. Meanwhile, Thermal Grizzly has carved out a niche for itself as a specialist in thermal compounds, with a strong reputation for performance in overclocking and professional settings. While both brands are respected in their own right, the choice may come down to personal preference or past experiences with either brand.
Which should you buy?
Choosing between Corsair XTM70 Extreme Performance Thermal Paste and Thermal Grizzly Kryonaut ultimately depends on individual needs and priorities. If you are looking for a product specifically rated for high-performance processors and appreciate the convenience of an applicator kit and cleaning wipes, the Corsair XTM70 might be the better option for you, albeit at a higher price of £14.99. However, if you seek an affordable, high-performing thermal paste with a proven track record in extreme conditions, Thermal Grizzly Kryonaut at £6.95 presents an excellent value. The decision should be grounded in your specific cooling requirements, budget, and application preferences.
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