Noctua NH-D15 chromax.Black, Dual-Tower CPU Cooler vs Thermalright Peerless Assassin 120 SE CPU Cooler,
Updated August 2026 — Noctua NH-D15 chromax.Black, Dual-Tower CPU Cooler leads on warranty and installation eas.
The Noctua NH-D15 chromax.Black excels in cooling performance and noise levels, making it a top choice for enthusiasts, while the Thermalright Peerless Assassin 120 SE offers great value for budget-conscious users.
Why Noctua NH-D15 chromax.Black, Dual-Tower CPU Cooler is better
Cooling Performance
Noctua rivals all-in-one water coolers.
Noise Levels
Noctua operates whisper-quiet at idle.
Brand Reputation
Noctua has over 300 awards.
Why Thermalright Peerless Assassin 120 SE CPU Cooler, is better
Price
Thermalright is significantly cheaper.
Compact Design
Thermalright has a smaller footprint.
Installation
Thermalright is easier for AMD setups.
Overall score
Specifications
| Spec | Noctua NH-D15 chromax.Black, Dual-Tower CPU Cooler | Thermalright Peerless Assassin 120 SE CPU Cooler, |
|---|---|---|
| Cooling Type | Air | Air |
| Socket Support | Intel LGA & AMD AM4/AM5 | Intel LGA & AMD AM4/AM5 |
| Max RPM | 1500 | 1550 |
| Noise Level | ≤24.6 dB(A) | ≤25.6 dB(A) |
| Warranty | 6 years | 3 years |
Dimension comparison
Overview of the Noctua NH-D15 chromax.Black and Thermalright Peerless Assassin 120 SE
The Noctua NH-D15 chromax.Black is a premium dual-tower CPU cooler priced at $134.95, while the Thermalright Peerless Assassin 120 SE is a more budget-friendly option at $49.99. This price difference of about 63% reflects the varying target markets of each cooler. The Noctua model is designed for enthusiasts seeking top-tier cooling performance, while the Thermalright aims to offer solid performance at a more accessible price point.
Design and Aesthetics
The aesthetic appeal of the Noctua NH-D15 chromax.Black lies in its all-black design that fits seamlessly with various color schemes. Its extra-wide 140mm dual-tower structure not only enhances its visual appeal but also facilitates efficient airflow. In contrast, the Thermalright Peerless Assassin 120 SE features a dual 120mm fan setup with a classic design but in a more compact form factor. While both coolers have their distinct styles, the Noctua’s premium finish and larger size may attract users looking for a standout component in their builds.
Cooling Performance
In terms of cooling performance, the Noctua NH-D15 chromax.Black is renowned for its efficiency, boasting a dual-fan system that rivals many all-in-one water coolers. Its combination of six heatpipes allows for superior heat dissipation, making it a top choice for overclockers. On the other hand, the Thermalright Peerless Assassin 120 SE employs AGHP technology with six heatpipes as well, which enhances cooling performance and resolves the inverse gravity effect. Although the Thermalright cooler performs admirably, the Noctua’s reputation for excellence in cooling under heavy loads gives it an edge.
Noise Levels
Noise levels are crucial for many users, particularly for those building silent systems. The Noctua NH-D15 chromax.Black is designed with low-noise adaptors and PWM for automatic speed control, resulting in whisper-quiet operation at idle and full cooling performance under load. Conversely, the Thermalright Peerless Assassin 120 SE operates at a maximum noise level of 25.6 dB(A), which is relatively quiet but not as silent as the Noctua. For users prioritizing a noise-free experience, the Noctua may be the more compelling choice.
Installation and Compatibility
Both coolers offer user-friendly installation processes, but the Noctua NH-D15 chromax.Black includes a SecuFirm2 mounting system that simplifies the setup on various Intel and AMD sockets, including LGA1700 and AM5. The Thermalright Peerless Assassin 120 SE also provides support for multiple sockets, but users must utilize the original motherboard's backplane for AMD installations, which may add complexity. Overall, the Noctua's installation system is slightly more straightforward, making it appealing for less experienced builders.
Brand Reputation
Noctua is widely regarded as a premium brand in the cooling market, with over 300 awards and recommendations from international hardware websites. Its commitment to quality is backed by a six-year manufacturer's warranty, underscoring its reliability. Meanwhile, Thermalright has built a solid reputation over its 20 years in the industry, focusing on the development of computer accessories with a growing presence in the market. While both brands have their strengths, Noctua’s established prestige and customer trust may sway buyers towards the NH-D15.
Price Comparison
The Noctua NH-D15 chromax.Black is priced at $134.95, while the Thermalright Peerless Assassin 120 SE is priced at $49.99. This notable difference of about $84.96 indicates that the Noctua is aimed at enthusiasts willing to invest in high performance and quality. The Thermalright, being more budget-friendly, is better suited for users who prioritize cost-effectiveness while still seeking decent cooling. The price may influence decision-making significantly, depending on the buyer’s budget and performance needs.
Which should you buy?
Choosing between the Noctua NH-D15 chromax.Black and the Thermalright Peerless Assassin 120 SE ultimately depends on your specific needs and budget. If you are an enthusiast looking for exceptional cooling performance, low noise levels, and a premium design, the Noctua is an excellent investment despite its higher price. However, if you are more budget-conscious and still want reliable cooling performance, the Thermalright Peerless Assassin 120 SE provides great value for money. Each cooler has its strengths, making them suitable for different types of users in the CPU cooling market.

