Noctua NT-H1 3.5g vs Thermal Grizzly - Conductonaut - 1 Gram - Liquid Metal Compound Thermal Paste -
Updated August 2026 — The Noctua NT-H1 offers better ease of use and longevity, while the Thermal Grizzly Conductonaut may provide superior thermal performance for advanced users.
The Noctua NT-H1 offers better ease of use and longevity, while the Thermal Grizzly Conductonaut may provide superior thermal performance for advanced users.
Why Noctua NT-H1 3.5g is better
ease of application
Noctua NT-H1 does not require spreading before installation
longevity
Noctua NT-H1 has a recommended usage time of up to 5 years
brand reputation
Noctua NT-H1 has received over 150 awards and recommendations
Why Thermal Grizzly - Conductonaut - 1 Gram - Liquid Metal Compound Thermal Paste - is better
thermal performance
Thermal Grizzly Conductonaut is a liquid metal compound with superior conductivity
price
Thermal Grizzly Conductonaut is cheaper at £10.49
enthusiast appeal
Thermal Grizzly is well-regarded in the enthusiast community
Overall score
Specifications
| Spec | Noctua NT-H1 3.5g | Thermal Grizzly - Conductonaut - 1 Gram - Liquid Metal Compound Thermal Paste - |
|---|---|---|
| Price | £11.00 | £10.49 |
| Pack Size | 3.5g | 1g |
| Applications | 3-20 | 1-2 |
| Thermal Type | Paste | Liquid Metal |
| Storage Time | 3 years | N/A |
Dimension comparison
Overview of the Products
When it comes to thermal compounds, the Noctua NT-H1 and Thermal Grizzly Conductonaut both stand out for their unique properties and benefits. The Noctua NT-H1 is priced at £11.00 for a 3.5g pack, while the Thermal Grizzly Conductonaut is slightly cheaper at £10.49 for a 1g tube. While both products aim to optimise heat transfer from CPUs and GPUs, they cater to different users and applications.
Application and Ease of Use
The Noctua NT-H1 is designed to be easy to apply, as it does not require spreading before installation. This feature can save users time and reduce the risk of making a mess during application. In contrast, the Thermal Grizzly Conductonaut, being a liquid metal compound, may require more careful application techniques to avoid spillage, especially given its low viscosity. The NT-H1 can be easily cleaned with a dry paper towel, making it user-friendly for those who may be inexperienced with thermal compounds.
Performance and Heat Transfer
The Noctua NT-H1 is renowned for its premium-grade formulation, which allows for optimal heat transfer from the CPU or GPU to the heatsink. It claims to significantly lower temperatures compared to stock pastes, which is particularly beneficial for high-performance setups. The exact performance metrics for the Conductonaut are not detailed, but liquid metal compounds generally offer superior thermal conductivity compared to traditional pastes. This could suggest that the Conductonaut may provide better performance under extreme conditions, though specific comparisons are not provided.
Compatibility with Hardware
The Noctua NT-H1 is versatile, as it is suitable for both air and liquid cooling systems, making it compatible with a wide range of CPUs and GPUs, including AMD Ryzen and Intel Core processors. It is also recommended for use in gaming consoles like the PS4/PS5 and Xbox. The Thermal Grizzly Conductonaut is also compatible with various hardware, but its liquid metal nature may limit its use with certain materials, particularly plastic components, which could be a consideration for some users.
Longevity and Stability
Noctua NT-H1 boasts excellent long-term stability, with a recommended storage time of up to three years and usage time on the CPU of up to five years. This longevity can be a significant advantage for users looking to minimise maintenance over time. The Thermal Grizzly Conductonaut does not provide specific information regarding its longevity or stability, making it challenging to compare in this aspect. Users may want to consider this factor when deciding which thermal compound to purchase.
Quantity and Value
The Noctua NT-H1 comes in a 3.5g pack, which is estimated to provide around three to 20 applications, depending on the size of the CPU. This means that for users with smaller CPUs, the NT-H1 can be used for multiple applications, providing good value for money. On the other hand, the Thermal Grizzly Conductonaut, at 1g, may only cover one or two applications, which could make it less economical for users looking to apply thermal paste to multiple components.
Brand Reputation and Awards
Noctua has a strong reputation in the cooling market, with the NT-H1 receiving over 150 awards and recommendations for its performance and reliability. This level of recognition can instill confidence in potential buyers. Meanwhile, while Thermal Grizzly is also a reputable brand within the enthusiast community, the Conductonaut does not have the same level of documented accolades, which might influence some users' decisions towards Noctua.
Which should you buy?
Ultimately, the choice between Noctua NT-H1 and Thermal Grizzly Conductonaut depends on individual needs and preferences. If you prioritise ease of application, longevity, and a versatile product that can cater to various hardware, the Noctua NT-H1 at £11.00 is the better option. However, if maximum thermal performance in high-performance scenarios is your goal and you are comfortable with careful application, then the Thermal Grizzly Conductonaut at £10.49 may be worth considering. Each product has its strengths, and understanding your specific requirements will lead you to the right choice.
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