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Thermal Grizzly Kryonaut vs TR-Phantom Spirit 120 SE CPU Air Cooler

Updated August 2026The Thermal Grizzly Kryonaut excels in thermal conductivity and ease of application, while the TR-Phantom Spirit offers robust cooling performance for CPUs. Choose based on your specific cooling needs.

The Thermal Grizzly Kryonaut excels in thermal conductivity and ease of application, while the TR-Phantom Spirit offers robust cooling performance for CPUs. Choose based on your specific cooling needs.

Why Thermal Grizzly Kryonaut is better

Price

Kryonaut is significantly cheaper at £6.95.

Application Ease

Kryonaut is easier to apply with a spatula.

Compatibility

Kryonaut is compatible with a wider range of components.

Why TR-Phantom Spirit 120 SE CPU Air Cooler is better

Cooling Performance

TR-Phantom Spirit supports TDP up to 280W.

Material Quality

TR-Phantom Spirit uses high-quality materials for durability.

Noise Levels

TR-Phantom Spirit operates quietly at 25.6 dB(A).

Overall score

Thermal Grizzly Kryonaut
85
TR-Phantom Spirit 120 SE CPU Air Cooler
92

Specifications

SpecThermal Grizzly KryonautTR-Phantom Spirit 120 SE CPU Air Cooler
BrandThermal GrizzlyTR
TypeThermal PasteAir Cooler
CompatibilityCPUs, GPUsIntel, AMD
ApplicationEasyModerate
MaterialNon-conductiveAluminum, Copper

Dimension comparison

Thermal Grizzly KryonautTR-Phantom Spirit 120 SE CPU Air Cooler

Pricing Comparison

The Thermal Grizzly Kryonaut is priced at £6.95, while the TR-Phantom Spirit 120 SE CPU Air Cooler is significantly higher at £29.09. The substantial price difference indicates that these products serve different needs in the cooling hierarchy. The Kryonaut is a thermal paste designed to enhance conductivity between components, making it an essential, yet low-cost accessory for any PC builder or enthusiast. In contrast, the TR-Phantom Spirit is a full air cooler that includes a heat sink and fans, targeting users who require comprehensive cooling solutions for high-performance CPUs. The price reflects their respective roles in maintaining optimal temperatures within a system.

Performance Capabilities

The Thermal Grizzly Kryonaut boasts an impressive thermal conductivity rating of 12.5 W/mK, making it a top performer for thermal paste. This extreme performance is ideal for demanding setups, ensuring that critical components like CPUs and GPUs remain cool during intense use. On the other hand, the TR-Phantom Spirit is designed for CPUs with a thermal design power (TDP) ranging from 105W to 280W, allowing it to effectively cool high-performance processors. This broad range means it can handle a variety of setups, making it a versatile choice for gamers and professionals alike. In terms of raw performance, the Kryonaut excels in thermal transfer, while the TR-Phantom Spirit provides robust cooling for entire systems.

Compatibility

The Thermal Grizzly Kryonaut is widely compatible with a variety of components, including CPUs and GPUs, making it a versatile choice for anyone looking to improve their cooling efficiency. In contrast, the TR-Phantom Spirit 120 SE CPU Air Cooler supports an extensive range of CPU sockets, including Intel’s LGA1700, LGA1150, and AMD’s AM4/AM5. This high compatibility ensures that it can fit into many modern builds without issue. While both products cater to different needs, their compatibility makes them valuable assets in any PC cooling arsenal. The Kryonaut’s broad compatibility allows it to enhance the performance of numerous systems, while the TR-Phantom Spirit is tailored for specific CPU profiles.

Application Ease

The Thermal Grizzly Kryonaut is designed for easy application, as it comes with a specially designed spatula to ensure even spreading of the paste. This feature is particularly beneficial for those who may not have experience applying thermal paste, as it helps achieve optimal coverage. In contrast, the TR-Phantom Spirit 120 SE relies on a more complex installation process that involves mounting the cooler to the CPU and potentially managing additional components such as fans. While the cooler is designed with user-friendliness in mind, the complexity may deter novice builders. For ease of application, the Kryonaut clearly stands out, while the TR-Phantom Spirit may require a bit more technical know-how.

Material Quality and Design

The Thermal Grizzly Kryonaut is crafted to be neither electrically conductive nor capacitive, ensuring a risk-free application that avoids short circuits. This attention to safety is crucial for protecting valuable hardware. On the other hand, the TR-Phantom Spirit 120 SE is constructed with high-quality materials, including anodized black frosted top and pure copper base technology, contributing to effective heat dissipation. Its design also features industrial-grade S-FDB bearings for long-lasting performance. While both products exhibit high-quality materials, the Kryonaut focuses on safety and thermal transfer, whereas the TR-Phantom Spirit prioritises structural integrity and longevity in cooling performance.

Noise Levels

The TR-Phantom Spirit 120 SE operates with a noise level of up to 25.6 dB(A), which is relatively quiet for a CPU cooler, especially given its performance capabilities. This makes it suitable for environments where low noise is a priority, such as home offices or gaming setups. The Thermal Grizzly Kryonaut, being a thermal paste, does not produce any noise during operation, as it does not utilise moving parts. Therefore, in terms of noise, the Kryonaut is silent, while the TR-Phantom Spirit provides a balance between performance and acoustic management, making it a viable option for users sensitive to sound.

Longevity and Reliability

The Thermal Grizzly Kryonaut is built for reliability, formulated to maintain its thermal conductivity over time without drying out. This ensures that once applied, it continues to perform effectively for extended periods. In contrast, the TR-Phantom Spirit boasts an industrial service life of up to 20,000 hours, thanks to its quality materials and design. This longevity makes it a dependable choice for heavy users who run their systems continuously. While both products offer durability, the Kryonaut’s reliability focuses more on consistent thermal performance, whereas the TR-Phantom Spirit’s longevity is a testament to its build quality and engineering.

Which should you buy?

Choosing between the Thermal Grizzly Kryonaut and the TR-Phantom Spirit 120 SE ultimately depends on your specific cooling needs. If you require a high-performance thermal paste to enhance heat transfer across various components, the Kryonaut is the ideal choice at £6.95. However, if you are looking for a comprehensive air cooling solution for your CPU, the TR-Phantom Spirit at £29.09 offers a robust cooling solution with excellent compatibility and performance. Each product excels in its respective category, so consider your system's requirements before making a decision.

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Thermal Grizzly Kryonaut vs TR-Phantom Spirit 120 SE CPU Air Cooler | versusfinder