Thermalright Peerless Assassin 120 Black CPU Air Cooler vs Thermalright AXP120-X67 Low Profile CPU Air Cooler with Quite 120mm TL-12015 PWM
Updated August 2026 — The Thermalright Peerless Assassin 120 Black offers superior cooling performance and quieter operation, making it the better choice for high-performance CPUs. The AXP120-X67 is a solid budget option for compact builds.
The Thermalright Peerless Assassin 120 Black offers superior cooling performance and quieter operation, making it the better choice for high-performance CPUs. The AXP120-X67 is a solid budget option for compact builds.
Why Thermalright Peerless Assassin 120 Black CPU Air Cooler is better
Cooling Performance
Higher airflow of 66.17 CFM vs 59 CFM
Noise Level
Quieter operation at 25.6 dB(A) vs 26.1 dB(A)
Height
Better for larger cases with 157mm height vs 67mm
Why Thermalright AXP120-X67 Low Profile CPU Air Cooler with Quite 120mm TL-12015 PWM is better
Price
Lower cost at C$36.90 vs C$54.90
Size
Compact design fits in tighter spaces
Weight
Lighter at 0.67kg vs 1.02kg
Overall score
Specifications
| Spec | Thermalright Peerless Assassin 120 Black CPU Air Cooler | Thermalright AXP120-X67 Low Profile CPU Air Cooler with Quite 120mm TL-12015 PWM |
|---|---|---|
| Price | C$54.90 | C$36.90 |
| Fan Speed | 1500 RPM | 1800 RPM |
| Socket Support | Intel & AMD | Intel & AMD |
| Heat Pipes | 6 | 6 |
| Material | Aluminum & Copper | Aluminum & Copper |
Dimension comparison
Overview of Thermalright Peerless Assassin 120 Black CPU Air Cooler
The Thermalright Peerless Assassin 120 Black CPU Air Cooler is designed for optimal cooling performance. Priced at C$54.90, it features a robust design with a total height of 157mm and an effective heat dissipation area of 9600cm, making it a formidable contender in the CPU cooling market. The cooler utilises a dual tower setup, which enhances its cooling capabilities, especially during intensive operations.
This cooler employs advanced AGHP technique heat pipes, which help mitigate the inverse gravity effect, ensuring efficient heat transfer regardless of its orientation. The unit is equipped with two PWM fans that operate at a maximum speed of 1500 RPM, generating an airflow of 66.17 CFM while maintaining a noise level of only 25.6 dB(A). This combination of features points to an effective cooling solution that balances performance and noise.
Overview of Thermalright AXP120-X67 Low Profile CPU Air Cooler
The Thermalright AXP120-X67 Low Profile CPU Air Cooler is a compact yet powerful option, priced at C$36.90. With dimensions of 123.5mm in length, 120mm in width, and a height of just 67mm, it is designed for cases where space is a constraint. Despite its smaller size, this cooler also utilises AGHP technology and features a solid construction with a heat sink made of aluminum fins on a copper base.
This model is equipped with a single PWM fan that can reach speeds of up to 1800 RPM, producing an airflow of 59 CFM, which is slightly less than that of its taller counterpart. The AXP120-X67 operates at a noise level of 26.1 dB(A), making it marginally noisier than the Peerless Assassin 120 Black. This cooler’s low profile design makes it ideal for compact builds while still providing reliable cooling performance.
Cooling Performance Comparison
When it comes to cooling performance, the Thermalright Peerless Assassin 120 Black stands out with its dual tower design and larger airflow capacity. With a maximum airflow of 66.17 CFM and a noise level capped at 25.6 dB(A), it is better suited for high-performance CPUs under heavy loads. The combined effect of its two PWM fans allows for improved thermal management, making it an excellent choice for gamers and professionals alike.
Conversely, the Thermalright AXP120-X67, while equipped with a capable PWM fan, has a lower maximum airflow of 59 CFM and operates slightly louder at 26.1 dB(A). Although it is designed for low-profile builds and can effectively cool standard CPUs, its performance may not match that of the more robust Peerless Assassin 120 Black in high-demand scenarios. For users prioritising maximum cooling efficiency, the Peerless Assassin is the clear winner.
Size and Compatibility
Size and compatibility are crucial factors to consider when selecting a CPU cooler. The Thermalright Peerless Assassin 120 Black measures 125mm in length, 135mm in width, and 157mm in height, making it a larger cooler that may not fit in smaller cases. However, it supports a wide range of CPU sockets, including Intel's LGA1150 to LGA2066 and AMD's AM4 and AM5, ensuring broad compatibility for various builds.
In contrast, the Thermalright AXP120-X67, with its compact dimensions of 123.5mm x 120mm x 67mm, is specifically designed for low-profile builds and fits comfortably in tighter spaces. It supports Intel sockets from LGA1150 to LGA2066 and AMD's AM4 socket, making it suitable for users with limited space who still want reliable cooling. If size constraints are a primary concern, the AXP120-X67 is the more practical choice.
Noise Levels
Noise levels are an essential consideration for users who value a quiet computing environment. The Thermalright Peerless Assassin 120 Black operates with a maximum noise level of 25.6 dB(A), making it one of the quieter options available in its class. This low noise output is a significant advantage during extended gaming or work sessions, where silence can enhance the overall experience.
On the other hand, while the Thermalright AXP120-X67 is still relatively quiet, it has a maximum noise level of 26.1 dB(A). Although this difference might seem minor, it may be noticeable in a quiet setting. For users who are particularly sensitive to noise, the Peerless Assassin 120 Black offers a slight edge in terms of quiet operation.
Pricing and Value
In terms of pricing, the Thermalright Peerless Assassin 120 Black is positioned at C$54.90, while the Thermalright AXP120-X67 comes in at a more budget-friendly C$36.90. The price difference of C$18 is significant, especially for users on a tight budget. However, the additional investment in the Peerless Assassin 120 Black may be justified by its superior cooling capabilities and quieter operation.
The AXP120-X67 offers excellent value for those who require a low-profile cooler without breaking the bank. It delivers solid performance for standard CPUs and is a great option for compact builds. However, if maximum performance and cooling efficiency are priorities, the higher price of the Peerless Assassin 120 Black may be well worth it.
User Experience and Installation
Both coolers from Thermalright offer user-friendly installation processes, but their different designs cater to varying needs. The Thermalright Peerless Assassin 120 Black's larger size may require more careful planning regarding case compatibility during installation, especially in smaller builds. However, its dual tower design allows for more effective cooling, which can enhance user experience during heavy workloads.
The AXP120-X67, with its low-profile design, simplifies installation in cramped quarters. It is lightweight and easy to mount, making it an attractive option for users who frequently upgrade or modify their systems. Both products come with metal fasteners compatible with various Intel and AMD sockets, ensuring that users can achieve a secure installation regardless of their choice.
Which should you buy?
Choosing between the Thermalright Peerless Assassin 120 Black CPU Air Cooler and the Thermalright AXP120-X67 Low Profile CPU Air Cooler ultimately depends on your specific needs. If you require maximum cooling efficiency, especially for high-performance CPUs in larger cases, the Peerless Assassin 120 Black is the better option, offering superior airflow and quieter operation.
Conversely, if you are working with a compact build and have budgetary constraints, the AXP120-X67 provides solid performance at a lower price point. It is designed for users who prioritise space-saving solutions without sacrificing too much on cooling performance. Ultimately, your choice should reflect your primary requirements, whether they are performance, compatibility, or budget.
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