Thermalright Peerless Assassin 120 SE Black CPU Cooler vs Noctua NH-U12A chromax.Black
Updated August 2026 — The Thermalright Peerless Assassin 120 SE Black offers great value for budget-conscious users, while the Noctua NH-U12A chromax.Black excels in performance and quiet operation. Choose based on your budget and cooling needs.
The Thermalright Peerless Assassin 120 SE Black offers great value for budget-conscious users, while the Noctua NH-U12A chromax.Black excels in performance and quiet operation. Choose based on your budget and cooling needs.
Why Thermalright Peerless Assassin 120 SE Black CPU Cooler is better
price
Thermalright is significantly cheaper at C$46.79
height
Thermalright is 155mm tall, compatible with more cases
installation
Thermalright has straightforward installation instructions
Why Noctua NH-U12A chromax.Black is better
performance
Noctua has superior cooling efficiency and quieter operation
build quality
Noctua includes a 6-year warranty and high-grade materials
fan technology
Noctua's NF-A12x25 fans are designed for optimal airflow and noise control
Overall score
Specifications
| Spec | Thermalright Peerless Assassin 120 SE Black CPU Cooler | Noctua NH-U12A chromax.Black |
|---|---|---|
| Price | C$46.79 | C$159.95 |
| Cooling Type | Dual Tower | Single Tower |
| Noise Level | 25.6 dB(A) | <25 dB(A) |
| Fan Speed | 1550 RPM | max RPM |
| Compatibility | Intel/AMD | Intel/AMD |
Dimension comparison
Overview of the Thermalright Peerless Assassin 120 SE Black and Noctua NH-U12A chromax.Black
The Thermalright Peerless Assassin 120 SE Black is priced at C$46.79, while the Noctua NH-U12A chromax.Black comes in at a higher C$159.95. This price difference signals a significant disparity in features and performance potential between the two CPU coolers.
The Thermalright model boasts a dual tower design with dual PWM fans, aimed at achieving excellent heat dissipation. In contrast, the Noctua model is renowned for its premium heatsink performance and silent operation at idle, making it a more premium option. Both coolers cater to different user needs, balancing cost against performance.
Cooling Efficiency
The Thermalright Peerless Assassin 120 SE Black employs a dual tower and dual fan design, which enhances its cooling performance. The fans can reach a maximum air volume of 66.17 CFM, which is impressive for a cooler of its price range. This design ensures that even under heavy loads, the cooler maintains effective heat dissipation.
On the other hand, the Noctua NH-U12A chromax.Black is designed for top-tier performance in a compact form factor. It includes dual NF-A12x25 fans, which are specifically engineered for quiet operation while still delivering optimal cooling. This model has garnered over 100 awards for its efficiency and reliability, further emphasizing its superior cooling capabilities compared to the Thermalright.
Design and Build Quality
The Thermalright Peerless Assassin 120 SE Black features a sleek black finish, enhanced by a blackened nano coating that not only adds to its aesthetic appeal but also improves its durability. With a height of 155mm, it is compatible with a wide range of chassis and does not interfere with RAM slots.
Conversely, the Noctua NH-U12A chromax.Black boasts an all-black design that integrates seamlessly with various build aesthetics. Its build quality is further reinforced by Noctua's reputation for using high-grade materials, and it includes a 6-year manufacturer's warranty, a testament to its durability and reliability.
Noise Levels
The Thermalright Peerless Assassin 120 SE Black operates at a maximum noise level of 25.6 dB (A), which is relatively quiet for a cooler with dual fans. This makes it a suitable choice for users who are concerned about noise but still require effective cooling performance.
In comparison, the Noctua NH-U12A chromax.Black is designed with Low-Noise Adaptors, allowing it to operate quietly while providing full cooling performance under load. This model is particularly celebrated for its whisper-quiet operation, making it ideal for users who prioritize a silent computing environment.
Compatibility
The Thermalright Peerless Assassin 120 SE Black supports a wide range of CPU socket types, including Intel's LGA1150, LGA1200, and AMD's AM4 platforms. This broad compatibility makes it a versatile option for various builds, ensuring users can easily integrate it without worrying about fitment issues.
Similarly, the Noctua NH-U12A chromax.Black is compatible with a variety of Intel and AMD sockets, including the latest LGA1700 and AM5. Its SecuFirm2 mounting system simplifies installation, making it user-friendly for both beginners and experienced builders.
User Experience and Installation
The Thermalright Peerless Assassin 120 SE Black is equipped with metal fasteners designed for easy installation on both Intel and AMD platforms. The instructions and tutorials provided enhance the user experience, making it accessible even for those new to PC building.
The Noctua NH-U12A chromax.Black also emphasizes ease of installation with its high-end NT-H1 thermal paste and SecuFirm2 system. Users have consistently praised Noctua for its straightforward installation process, which allows for quick setup without compromising performance.
Price and Value Proposition
At C$46.79, the Thermalright Peerless Assassin 120 SE Black offers excellent value for its cooling performance and features, making it a budget-friendly choice for gamers and PC enthusiasts on a tighter budget. Its dual fan setup and solid cooling capabilities provide a strong return on investment for entry-level to mid-range systems.
In contrast, the Noctua NH-U12A chromax.Black, priced at C$159.95, represents a more significant investment. However, this price reflects its premium performance, superior build quality, and extensive warranty. For users who demand the best cooling efficiency and quieter operation, the Noctua model justifies its higher price tag.
Which should you buy?
Choosing between the Thermalright Peerless Assassin 120 SE Black and the Noctua NH-U12A chromax.Black ultimately depends on your budget and performance needs. If you're looking for an affordable yet effective cooling solution with solid performance, the Thermalright model is an excellent choice at C$46.79. However, if you're willing to invest in a premium cooler that prioritizes quiet operation and top-tier performance, the Noctua NH-U12A chromax.Black at C$159.95 would be the better option.
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