Thermalright Peerless Assassin 120 SE CPU Cooler vs Noctua NH-D15 chromax.Black
Updated August 2026 — The Thermalright Peerless Assassin 120 SE offers great value for budget-conscious users, while the Noctua NH-D15 excels in performance and quiet operation.
The Thermalright Peerless Assassin 120 SE offers great value for budget-conscious users, while the Noctua NH-D15 excels in performance and quiet operation.
Why Thermalright Peerless Assassin 120 SE CPU Cooler is better
price
Thermalright is significantly cheaper at C$48.90.
design
Thermalright features colorful ARGB lighting.
compatibility
Thermalright supports a wide range of sockets.
Why Noctua NH-D15 chromax.Black is better
performance
Noctua is often compared to all-in-one liquid coolers.
noise
Noctua operates at whisper levels, especially at idle.
brand reputation
Noctua has received over 300 awards for quality.
Overall score
Specifications
| Spec | Thermalright Peerless Assassin 120 SE CPU Cooler | Noctua NH-D15 chromax.Black |
|---|---|---|
| Price | C$48.90 | C$174.95 |
| Airflow | 66.17 CFM | N/A |
| Noise Level | 25.6 dB(A) | N/A |
| Warranty | N/A | 6 years |
| Fan Type | 120mm ARGB | 140mm NF-A15 |
Dimension comparison
Price Comparison
When comparing the prices of the Thermalright Peerless Assassin 120 SE CPU Cooler and the Noctua NH-D15 chromax.Black, there is a significant difference. The Thermalright model is priced at C$48.90, while the Noctua cooler comes in at C$174.95. This means that the Noctua cooler is approximately 3.6 times more expensive than the Thermalright option. For budget-conscious consumers or those building a system on a tighter budget, the Thermalright Peerless Assassin offers a compelling value without compromising on essential cooling performance.
Design and Aesthetics
The design of the two coolers caters to different consumer preferences. The Thermalright Peerless Assassin features a dual-tower heatsink configuration with a sleek, modern look, complemented by colourful ARGB lighting effects. This design not only enhances aesthetics but also includes cutouts on the fins for better RAM compatibility. On the other hand, the Noctua NH-D15 chromax.Black offers a premium all-black finish that appeals to users looking for a refined, understated appearance. Its extra-wide 140mm dual-tower design is not just visually appealing but is built for maximum cooling efficiency, making both options strong contenders in terms of design, depending on user preference.
Cooling Performance
Cooling performance is a critical factor when choosing a CPU cooler, and both products excel in this area. The Thermalright Peerless Assassin is equipped with two high-performance ARGB fans, capable of delivering a rated airflow of 66.17 CFM and operating at a maximum noise level of 25.6 dB(A). In contrast, the Noctua NH-D15 features dual 140mm NF-A15 fans, renowned for their quiet operation and efficiency, which can operate at full performance under load while remaining whisper-quiet at idle. The Noctua is frequently compared to all-in-one liquid coolers, showcasing its superior cooling capabilities, especially for overclocking enthusiasts.
Installation and Compatibility
When it comes to installation, both coolers offer user-friendly features, but there are some distinctions. The Thermalright Peerless Assassin requires the original motherboard's backplate for installation on AM4 and AM5 systems, which may not be provided. However, it supports a wide range of Intel and AMD sockets. In comparison, the Noctua NH-D15 includes the SecuFirm2 mounting system, designed for intuitive installation across various Intel and AMD sockets, including the latest LGA1700 and AM5. This ease of installation might be a deciding factor for users who prefer a hassle-free setup.
Noise Levels
Noise levels are crucial for users who prioritise a quiet computing experience. The Thermalright Peerless Assassin operates at a maximum noise level of 25.6 dB(A), which is relatively quiet for a cooler of its class. However, the Noctua NH-D15 is designed to be even quieter, with its award-winning fans ensuring that it operates at whisper levels, especially during idle conditions. The Low-Noise Adaptors included with the Noctua cooler further enhance its ability to maintain silent operation, making it a top choice for silent enthusiasts who demand high performance without the noise.
Brand Reputation
Brand reputation plays a significant role in consumer decisions. Thermalright has over 20 years of experience in the cooling industry and is known for offering high-performance solutions. However, Noctua stands out with a stellar reputation, having received more than 300 awards and recommendations from international hardware websites. The Noctua NH-D15 is often lauded as a premium choice for both gamers and professionals, backed by a 6-year manufacturer’s warranty, which provides added confidence in its durability and performance.
User Experience and Reviews
User experiences and reviews can provide valuable insights into the effectiveness of each cooler. The Thermalright Peerless Assassin is praised for its affordability and effective cooling capabilities, especially for budget builds. Conversely, the Noctua NH-D15 is frequently highlighted for its exceptional cooling performance and quiet operation, making it ideal for overclockers and those who prioritise system noise reduction. Users often report satisfaction with both products, although the Noctua cooler tends to receive higher accolades for overall performance and longevity.
Which should you buy?
Deciding between the Thermalright Peerless Assassin 120 SE CPU Cooler and the Noctua NH-D15 chromax.Black largely depends on your budget and specific needs. If you are looking for an effective and visually appealing cooler at an accessible price point, the Thermalright Peerless Assassin at C$48.90 is an excellent choice. However, if you are willing to invest more for top-tier performance, superior quiet operation, and a trusted brand reputation, the Noctua NH-D15 at C$174.95 is the way to go. Ultimately, both coolers excel in their respective niches, making them worthy contenders in the market.
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