Cooler Master Hyper 212 Black CPU Air Cooler – vs Thermalrlght Peerless Assassin 120 SE CPU Air
Updated July 2026 — Thermalrlght Peerless Assassin 120 SE CPU Air leads on width and length.
The Cooler Master Hyper 212 Black is a reliable and quieter option, while the Thermalrlght Peerless Assassin 120 SE offers superior cooling performance. Choose based on your specific needs.
Why Cooler Master Hyper 212 Black CPU Air Cooler – is better
Price
Cooler Master is cheaper by $6.91
Noise
Designed for quieter operation
Installation
Simplified brackets for easier setup
Why Thermalrlght Peerless Assassin 120 SE CPU Air is better
Cooling
Six heat pipes for better heat dissipation
Fan Setup
Dual fans enhance airflow
Compatibility
Better graphics card clearance
Overall score
Specifications
| Spec | Cooler Master Hyper 212 Black CPU Air Cooler – | Thermalrlght Peerless Assassin 120 SE CPU Air |
|---|---|---|
| Fan Speed | 690-2500 RPM | 1550 RPM |
| Airflow | Unknown | 66.17 CFM |
| Noise Level | Low | ≤25.6 dB(A) |
| Socket Support | AM5/AM4, LGA 1200/1700/1851 | AM4/AM5, LGA 1150/1151/1155/1156/1200/1700 |
| Material | Aluminum, Copper | Aluminum, Copper |
Dimension comparison
Overview of the Coolers
The Cooler Master Hyper 212 Black and the Thermalrlght Peerless Assassin 120 SE are both excellent choices for CPU cooling, but they cater to slightly different needs. The Cooler Master unit is priced at $25.99, while the Thermalrlght option is about 27% more expensive at $32.90. Each cooler features distinct technologies and designs aimed at optimizing performance for various CPU setups.
Cooling Performance
The Thermalrlght Peerless Assassin 120 SE boasts superior cooling performance with its six heat pipes compared to the four heat pipes of the Cooler Master Hyper 212 Black. The Peerless Assassin utilizes AGHP technology, allowing for rapid heat exchange and efficient cooling. This is particularly beneficial for high-performance CPUs, making it an attractive option for users who push their systems to the limit. Conversely, the Hyper 212 Black, while still effective, is designed for quieter operation with its dynamic PWM fan that adjusts speeds from 690 to 2,500 RPM.
Fan Technology
When it comes to fan technology, the Cooler Master Hyper 212 Black features a SickleFlow 120 Edge fan known for its optimized airflow. This PWM fan is capable of delivering high performance while minimizing noise, making it suitable for quieter builds. On the other hand, the Thermalrlght Peerless Assassin 120 SE comes with dual TL-C12C PWM fans, each rated for speeds of 1,550 RPM and capable of producing up to 66.17 CFM airflow. This dual-fan setup enhances cooling efficiency, especially under heavy loads, providing a noticeable advantage for gamers or content creators.
Installation Ease
In terms of installation, both coolers have their advantages. The Cooler Master Hyper 212 Black is designed with simplified brackets, ensuring an easier installation process for AMD AM5 and LGA 1700 platforms. Users will appreciate the straightforward setup, especially if they are new to building PCs. The Thermalrlght Peerless Assassin 120 SE, while also designed for compatibility with various CPU sockets, requires the use of the original motherboard's built-in backplate for AM4 and AM5 installations. This might pose a slight challenge for users unfamiliar with such procedures.
Design and Aesthetics
Regarding design, the Cooler Master Hyper 212 Black features an aluminum top cover with a sleek, black finish that not only enhances aesthetics but also improves cooling performance. Its 152mm tall design maintains compatibility with a wide range of chassis. The Thermalrlght Peerless Assassin 120 SE, with its anodized brushed black top cover and offset asymmetric layout, also presents a modern look while ensuring better compatibility with graphics cards and motherboards. Both coolers are visually appealing, but personal preference will ultimately guide your choice.
Compatibility
Compatibility is crucial when selecting a CPU cooler, and both products excel in this area. The Cooler Master Hyper 212 Black supports a wide range of sockets, including AMD AM5/AM4 and Intel LGA 1200/1700/1851. The versatility in its design makes it a great choice for various builds. The Thermalrlght Peerless Assassin 120 SE also supports an extensive list of sockets, including Intel LGA 1150/1151/1155/1156/1200/1700 and AMD AM4/AM5. Both options are well-equipped to accommodate a variety of setups, ensuring users have flexibility in their choices.
Noise Levels
Noise levels are an important consideration for many PC builders, especially in quiet environments. The Cooler Master Hyper 212 Black is designed for low noise operation, with its fan design minimizing sound output. While specific decibel ratings are not provided, users can expect a quieter experience during regular use. In contrast, the Thermalrlght Peerless Assassin 120 SE has a rated noise level of ≤25.6 dB(A), which is relatively quiet for a cooler with dual fans. For users who prioritize silence alongside performance, the Hyper 212 Black might have a slight edge.
Which should you buy?
Choosing between the Cooler Master Hyper 212 Black and the Thermalrlght Peerless Assassin 120 SE ultimately depends on your specific needs and budget. The Cooler Master Hyper 212 Black is a solid option for users looking for a reliable, quieter cooler at an attractive price of $25.99. However, if you require enhanced cooling performance and are willing to spend an additional $6.91 for the Thermalrlght Peerless Assassin 120 SE, it provides superior heat dissipation with its six heat pipes and dual fan setup. Consider your priorities—whether it's price, cooling efficiency, or ease of installation—before making your final decision.

