Thermalright AXP90 X36 Black Low Profile CPU Air Cooler vs Thermalright Peerless Assassin 120 Black CPU Air Cooler
Updated August 2026 — The Thermalright Peerless Assassin 120 Black offers superior cooling performance and compatibility, making it the better choice for most users. However, the AXP90 X36 is a budget-friendly option for compact builds.
The Thermalright Peerless Assassin 120 Black offers superior cooling performance and compatibility, making it the better choice for most users. However, the AXP90 X36 is a budget-friendly option for compact builds.
Why Thermalright AXP90 X36 Black Low Profile CPU Air Cooler is better
lower price
AXP90 X36 costs C$26.90
compact design
AXP90 X36 is low-profile for small cases
brand reliability
Thermalright is known for quality
Why Thermalright Peerless Assassin 120 Black CPU Air Cooler is better
better cooling
Peerless Assassin 120 has dual fans and higher airflow
wider compatibility
Peerless Assassin 120 supports more CPU sockets
lower noise
Peerless Assassin 120 operates at 25.6 dB(A)
Overall score
Specifications
| Spec | Thermalright AXP90 X36 Black Low Profile CPU Air Cooler | Thermalright Peerless Assassin 120 Black CPU Air Cooler |
|---|---|---|
| Price | C$26.90 | C$54.90 |
| Cooling Fans | 1 | 2 |
| Airflow | N/A | 66.17 CFM |
| Noise Level | N/A | 25.6 dB(A) |
| Socket Compatibility | N/A | LGA1150/1151/1155/1156/1200/1700/AM4/AM5 |
Dimension comparison
Price Comparison
When it comes to pricing, the Thermalright AXP90 X36 Black is significantly less expensive than the Thermalright Peerless Assassin 120 Black. The AXP90 X36 is priced at C$26.90, while the Peerless Assassin 120 comes in at C$54.90. This represents a price difference of C$28.00, making the AXP90 X36 a more budget-friendly option for those who are looking for an efficient cooling solution without breaking the bank.
Design and Build Quality
The Thermalright Peerless Assassin 120 Black features an advanced design with a twin-tower structure that allows for better heat dissipation. It has a total heat dissipation area of 9600cm, which is ideal for maintaining lower temperatures during intensive tasks. In contrast, the AXP90 X36 does not specify its heat dissipation area, but it is designed as a low-profile cooler, making it suitable for compact builds where space is limited. The choice of design ultimately depends on your specific setup and aesthetic preferences, but the Peerless Assassin offers a more robust cooling solution.
Cooling Performance
The Peerless Assassin 120 excels in cooling performance, thanks to its dual PWM fans designed to deliver an air flow of 66.17 CFM at a noise level of up to 25.6 dB(A). This dual fan setup enables effective heat management, especially in high-performance scenarios. Although the AXP90 X36 does not specify its cooling performance metrics, its low-profile design suggests it may be less effective under heavy loads compared to the more powerful Peerless Assassin 120. If you are seeking maximum cooling efficiency, the Peerless Assassin’s specifications indicate a superior performance.
Compatibility
When it comes to compatibility, the Peerless Assassin 120 supports a wide range of CPU socket types including Intel’s LGA1150 through LGA2066 and AMD’s AM4 and AM5. This extensive support ensures that it can be easily installed on most modern CPUs. The AXP90 X36 does not provide specific compatibility details, which might limit its appeal for users with particular setups. If you are building or upgrading a system with a current CPU, the Peerless Assassin 120 offers a more versatile option for compatibility.
Installation and Ease of Use
The Peerless Assassin 120 includes metal fasteners designed for both Intel and AMD platforms, facilitating a straightforward installation process. Its dual tower design may require a bit more space and care during installation, but the included mounting hardware makes it easier to set up. The installation process for the AXP90 X36 is not specified, but its low-profile nature generally suggests a simpler installation in compact cases. If ease of installation is a priority, consider your specific case dimensions and motherboard layout before making a choice.
Noise Levels
The Thermalright Peerless Assassin 120 Black operates at a maximum noise level of 25.6 dB(A) due to its PWM fans. This indicates that while it delivers strong cooling performance, it maintains relatively low noise levels, making it suitable for quiet builds. The AXP90 X36 does not have specified noise levels, which might raise concerns about its operation during peak loads. If noise is a critical factor for your build, the Peerless Assassin 120 offers a quantifiable advantage in this area.
Brand Reputation and Warranty
Thermalright is a well-regarded brand in the cooling industry, known for producing reliable and effective cooling solutions. While neither product mentions specific warranties, Thermalright generally has a positive reputation for customer service and product longevity. Both the AXP90 X36 and the Peerless Assassin 120 benefit from this brand recognition, which can provide peace of mind when making a purchase. Choosing a product from a reputable brand like Thermalright often means you can expect quality and support.
Which should you buy?
Deciding between the Thermalright AXP90 X36 Black and the Thermalright Peerless Assassin 120 Black ultimately hinges on your specific needs and budget. The AXP90 X36 is an economical choice at C$26.90, perfect for users with smaller builds who prioritize space. However, the Peerless Assassin 120 offers superior cooling performance, compatibility, and design features at C$54.90, making it ideal for users who require more robust cooling solutions. If your primary focus is on effective cooling and compatibility with modern CPUs, the Peerless Assassin 120 is the clear choice. Conversely, if you are looking for a budget-friendly, space-saving option, the AXP90 X36 might be the better fit.
versusfinder.com is a participant in the Amazon.ca Associates Program. As an Amazon Associate we earn from qualifying purchases, at no extra cost to you.

