Thermalright AXP90-X53 White Low Profile ITX CPU Air Cooler, vs Thermalright Peerless Assassin 120 Digital ARGB
Updated August 2026 — Thermalright AXP90-X53 White Low Profile ITX CPU Air Cooler, wins on size compatibili and noise level, Thermalright Peerless Assassin 120 Digital ARGB wins on aesthetics and cooling performa.
The Thermalright AXP90-X53 is a budget-friendly option with silent operation, while the Peerless Assassin offers superior cooling performance and aesthetics. Choose based on your specific needs.
Why Thermalright AXP90-X53 White Low Profile ITX CPU Air Cooler, is better
Price
AXP90-X53 is $19.39, significantly cheaper than Peerless Assassin at $45.90.
Noise Level
AXP90-X53 operates at 22.4 dBA, quieter than Peerless Assassin's 25.6 dBA.
Size
AXP90-X53's 53mm height is ideal for compact builds.
Why Thermalright Peerless Assassin 120 Digital ARGB is better
Cooling Performance
Peerless Assassin has 88.89 CFM air volume, outperforming AXP90-X53's 42.58 CFM.
Design
Peerless Assassin features a digital screen and dual tower design.
Fan Speed
Peerless Assassin's fan speed of 1850 RPM is optimized for high performance.
Overall score
Specifications
| Spec | Thermalright AXP90-X53 White Low Profile ITX CPU Air Cooler, | Thermalright Peerless Assassin 120 Digital ARGB |
|---|---|---|
| Price | $19.39 | $45.90 |
| Air Volume | 42.58 CFM | 88.89 CFM |
| Noise Level | 22.4 dBA | 25.6 dBA |
| Heat Pipes | 4 | 6 |
| Compatibility | AM4/AM5, Intel | AM4/AM5, Intel |
Dimension comparison
Price Comparison
When considering price, the Thermalright AXP90-X53 is significantly more budget-friendly at $19.39, compared to the Thermalright Peerless Assassin 120 Digital, which is priced at $45.90. This makes the AXP90-X53 about 58% cheaper than its competitor. For users looking for an economical cooling solution without sacrificing performance, the AXP90-X53 presents a compelling option. However, the higher price of the Peerless Assassin may reflect its advanced features and capabilities, appealing to users who prioritize premium cooling performance and aesthetics.
Design and Aesthetics
The Thermalright Peerless Assassin boasts a striking design with a digital screen top cover and a dual tower configuration, making it visually appealing for modern builds. Its height of 162mm allows it to stand prominently in any chassis. In contrast, the AXP90-X53 features a low-profile design at just 53mm, making it ideal for compact ITX builds. While the AXP90-X53 is more understated, its white finish can complement minimalist setups. The choice between these two designs will depend on whether users prioritize form factor or aesthetics in their build.
Cooling Performance
In terms of cooling performance, the Peerless Assassin excels with its six heat pipes and dual fans, achieving an air volume of 88.89 CFM and a fan speed of 1850 RPM. This results in a higher wind pressure of 2.21mm H2O, making it suitable for high-performance CPUs. The AXP90-X53, while smaller, still offers respectable cooling with four heat pipes and a fan speed of 2700 RPM, delivering an air volume of 42.58 CFM. This makes it suitable for low to mid-range systems. Users with high-performance setups may find the Peerless Assassin’s superior cooling capabilities essential.
Noise Levels
When it comes to noise levels, the AXP90-X53 has an advantage with its operating noise of just 22.4 dBA, making it an excellent choice for silent builds. The Peerless Assassin, while still relatively quiet, operates at a maximum noise level of 25.6 dBA. The lower noise output of the AXP90-X53 can be particularly appealing for users who prioritize a quiet computing environment, especially in HTPC or office settings.
Compatibility
Both coolers offer broad compatibility with various CPU sockets, including AMD AM4/AM5 and Intel LGA 1700/1151/1155/1156/1200. However, the AXP90-X53 is specifically designed for small form factor builds, making it an ideal choice for users with compact cases. The Peerless Assassin, with its larger dimensions, is better suited for standard ATX cases and can accommodate high-capacity memory and graphics cards without interference. This compatibility consideration may influence users based on their specific build requirements.
Installation Process
The installation process for both coolers is straightforward, with each providing the necessary mounting hardware and instructions. The AXP90-X53 is designed for easy installation on small motherboards, while the Peerless Assassin includes dual-platform mounting clips, making it versatile for a range of setups. Users may find the installation of the AXP90-X53 simpler due to its compact design, but those who opt for the Peerless Assassin will appreciate the detailed instructions that accompany its more complex setup.
User Experience and Feedback
While specific user feedback and bestseller rankings were not provided, the general design and features of both coolers suggest positive reception. The AXP90-X53 is likely favored for its low height and silent operation in small builds, while the Peerless Assassin may attract users seeking aesthetics and high performance. The choice between the two may ultimately hinge on user needs, with the AXP90-X53 appealing to budget-conscious users and the Peerless Assassin targeting those who prioritize cooling efficiency and design.
Which should you buy?
Deciding between the Thermalright AXP90-X53 and the Peerless Assassin ultimately depends on your specific needs and budget. The AXP90-X53 is an excellent choice for users seeking an affordable, low-profile cooler with silent operation, priced at $19.39. In contrast, the Peerless Assassin offers superior cooling performance and aesthetics for $45.90, making it suitable for high-performance systems. If you require a cooler that fits in a compact case and operates quietly, the AXP90-X53 is the better option. However, for those willing to invest more for enhanced cooling and a striking design, the Peerless Assassin is the way to go.

