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Thermalright Peerless Assassin 120 CPU Air Cooler vs Noctua NH-D15 chromax.Black

Updated August 2026The Noctua NH-D15 chromax.Black offers superior cooling performance and quieter operation, making it the better choice for enthusiasts. However, the Thermalright Peerless Assassin 120 provides excellent value for budget-conscious users.

The Noctua NH-D15 chromax.Black offers superior cooling performance and quieter operation, making it the better choice for enthusiasts. However, the Thermalright Peerless Assassin 120 provides excellent value for budget-conscious users.

Why Thermalright Peerless Assassin 120 CPU Air Cooler is better

price

Thermalright is significantly cheaper at C$51.39

RGB lighting

Thermalright features ARGB lighting for aesthetics

TDP rating

Thermalright has a TDP rating of 245W

Why Noctua NH-D15 chromax.Black is better

cooling performance

Noctua performs on par with many all-in-one water coolers

noise levels

Noctua operates whisper-quiet with its NF-A15 fans

build quality

Noctua has a proven premium heatsink design with over 300 awards

Overall score

Thermalright Peerless Assassin 120 CPU Air Cooler
75
Noctua NH-D15 chromax.Black
90

Specifications

SpecThermalright Peerless Assassin 120 CPU Air CoolerNoctua NH-D15 chromax.Black
PriceC$51.39C$174.95
TDP245Wunknown
Noise Level≤25.6 dB(A)whisper-quiet
Fan TypePWMNF-A15
Socket CompatibilityIntel & AMDIntel & AMD

Dimension comparison

Thermalright Peerless Assassin 120 CPU Air CoolerNoctua NH-D15 chromax.Black

Overview of the Thermalright Peerless Assassin 120 and Noctua NH-D15 chromax.Black

The Thermalright Peerless Assassin 120 is priced at C$51.39, while the Noctua NH-D15 chromax.Black is significantly higher at C$174.95. This price difference sets the stage for a comparison of their cooling performance, design, and user experience.

The Thermalright model boasts an effective heat dissipation area of 9600 cm² and features a dual-tower design with two PWM fans. In contrast, the Noctua NH-D15 chromax.Black is celebrated for its premium heatsink design and dual 140mm fans, making it a strong contender for users seeking high performance and low noise levels.

Cooling Performance

When it comes to cooling performance, the Noctua NH-D15 chromax.Black is a standout, offering capabilities on par with many all-in-one water coolers. Its extra-wide dual-tower design incorporates six heat pipes, which allows it to efficiently manage temperatures, even under load. This makes it particularly appealing for overclockers and users who demand silent operation.

On the other hand, the Thermalright Peerless Assassin 120, with its dual tower cooling and six heat pipes, also promises strong performance. It has a TDP rating of 245W, indicating it can handle substantial thermal loads. However, in extensive cooling tests, the Noctua has received over 300 awards and recommendations, showcasing its reliability and effectiveness in real-world scenarios.

Fan Noise Levels

Noise levels are critical for many users, especially those building quiet systems. The Noctua NH-D15 chromax.Black excels in this area, featuring renowned NF-A15 140mm fans designed for whisper-quiet operation. With Low-Noise Adaptors and PWM control, the fans adjust speed automatically, providing full cooling performance when needed while remaining silent at idle.

In comparison, the Thermalright Peerless Assassin 120 has a noise level specification of ≤25.6 dB(A). While this is relatively quiet, the Noctua's design is built specifically for minimal noise output, making it a better choice for silent computing environments.

Aesthetics and Design

Aesthetics play a significant role in many users' purchasing decisions. The Noctua NH-D15 chromax.Black features an elegant all-black design that complements various builds and colour schemes, making it visually appealing for those who prioritize aesthetics alongside performance.

Conversely, the Thermalright Peerless Assassin 120 has a striking white finish with ARGB lighting effects. Its colourful illumination can add a visually dynamic element to a gaming rig but may not appeal to users looking for a more understated or professional appearance. Ultimately, design preferences will influence which cooler suits a user's style best.

Installation Process

Easy installation is a crucial aspect of CPU coolers. The Noctua NH-D15 chromax.Black comes equipped with the SecuFirm2 mounting system, allowing for straightforward installation on a wide range of Intel and AMD sockets, including LGA1700, LGA1200, and AM4.

The Thermalright Peerless Assassin 120 also features a user-friendly installation process, supporting various CPU socket types, including Intel’s LGA1700 and AMD's AM4. Both products provide the necessary mounting hardware, making them accessible to builders of all experience levels. However, the reputation of Noctua's installation systems further enhances user confidence.

Compatibility

Compatibility is another essential factor to consider when choosing a CPU cooler. The Noctua NH-D15 chromax.Black supports a wide array of Intel and AMD sockets, ensuring that it can fit into most modern builds. This versatility is a significant advantage for users who may upgrade their CPUs in the future.

Similarly, the Thermalright Peerless Assassin 120 boasts compatibility with multiple Intel and AMD sockets, including the latest LGA1700 and AM5. This broad compatibility ensures that both coolers can cater to a wide range of setups, making them both viable options for users looking to maintain flexibility in their builds.

Price-to-Performance Ratio

The Thermalright Peerless Assassin 120 offers an impressive price-to-performance ratio at C$51.39, making it an attractive option for budget-conscious builders who still want effective cooling. Its features, such as the dual towers and ARGB fans, provide significant value for the price point.

On the other hand, the Noctua NH-D15 chromax.Black, priced at C$174.95, is a premium product. While it delivers exceptional performance and build quality, the higher price may deter some users. Nonetheless, for those prioritizing cooling efficiency and noise levels, the investment may be justified.

Which should you buy?

In conclusion, the choice between the Thermalright Peerless Assassin 120 and the Noctua NH-D15 chromax.Black ultimately depends on your specific needs and budget. If you're looking for an affordable yet effective cooler with decent performance and striking aesthetics, the Thermalright Peerless Assassin 120 is an excellent option.

However, if you prioritise superior cooling efficiency, low noise levels, and a premium design, the Noctua NH-D15 chromax.Black is worth the investment. Each cooler has its strengths, so consider your priorities before making a decision.

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Thermalright Peerless Assassin 120 CPU Air Cooler vs Noctua NH-D15 chromax.Black | versusfinder