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Thermalright Peerless Assassin 120 SE CPU Cooler vs Thermalright AXP90 X47 Full Low Profile CPU Cooler

Updated August 2026The Thermalright Peerless Assassin 120 SE offers superior cooling performance and aesthetics, while the AXP90 X47 excels in compactness and quiet operation.

The Thermalright Peerless Assassin 120 SE offers superior cooling performance and aesthetics, while the AXP90 X47 excels in compactness and quiet operation.

Why Thermalright Peerless Assassin 120 SE CPU Cooler is better

Cooling Performance

Higher maximum airflow of 66.17CFM compared to 42.58CFM.

Aesthetics

Dual ARGB fans provide vibrant visual appeal.

Heat Pipes

More heat pipes (6) enhance heat dissipation compared to 4.

Why Thermalright AXP90 X47 Full Low Profile CPU Cooler is better

Size

Compact design fits in smaller cases.

Noise Level

Quieter operation at 22.4dB(A) compared to 25.6dB(A).

Price

More budget-friendly at C$43.39.

Overall score

Thermalright Peerless Assassin 120 SE CPU Cooler
85
Thermalright AXP90 X47 Full Low Profile CPU Cooler
75

Specifications

SpecThermalright Peerless Assassin 120 SE CPU CoolerThermalright AXP90 X47 Full Low Profile CPU Cooler
Max Airflow66.17CFM42.58CFM
Noise Level25.6dB(A)22.4dB(A)
Heat Pipes64
Fan Speed1550RPM2700RPM
PriceC$48.90C$43.39

Dimension comparison

Thermalright Peerless Assassin 120 SE CPU CoolerThermalright AXP90 X47 Full Low Profile CPU Cooler

Overview of Thermalright Peerless Assassin 120 SE CPU Cooler

The Thermalright Peerless Assassin 120 SE CPU Cooler is priced at C$48.90 and offers a combination of performance and aesthetics with its dual tower design and ARGB lighting. This cooler features dimensions of 125(L)x135(W)x155(H)mm and is constructed from aluminum and copper, ensuring efficient heat dissipation. The product is equipped with six 6mm heat pipes that utilise AGHP technology, enhancing heat exchange and enabling better performance for various CPU orientations. With a maximum airflow of 66.17CFM and a noise level of 25.6dB(A), this cooler is designed to deliver effective cooling while maintaining a relatively quiet operation.

Overview of Thermalright AXP90 X47 Full Low Profile CPU Cooler

The Thermalright AXP90 X47 Full Low Profile CPU Cooler is a more compact option, priced at C$43.39. This cooler is designed with a height of just 47mm, making it ideal for small form factor builds such as HTPCs and ITX systems. It features a 92mm PWM fan that can reach speeds of up to 2700RPM, providing a maximum airflow of 42.58CFM at a noise level of 22.4dB(A). The cooler employs four 6mm heat pipes with AGHP technology to mitigate the inverse gravity effect, ensuring effective cooling regardless of orientation. With its pure copper construction, the AXP90 X47 aims to deliver reliable performance in tight spaces.

Cooling Performance Comparison

The Peerless Assassin 120 SE boasts a higher maximum airflow of 66.17CFM compared to the AXP90 X47's 42.58CFM. This difference indicates that the Peerless Assassin can move more air, which generally translates to better cooling efficiency, especially in high-performance scenarios. Moreover, the Peerless Assassin's dual tower design coupled with six heat pipes is likely to provide superior thermal performance compared to the AXP90 X47's single tower with four heat pipes. However, the AXP90 X47's compact size allows it to fit in smaller cases, making it suitable for builds where space is at a premium.

Design and Aesthetics

The Peerless Assassin 120 SE features dual high-performance ARGB fans that not only enhance airflow but also add a vibrant visual appeal to any build. Its dimensions allow for a more robust cooling solution, making it suitable for gamers and enthusiasts who value both aesthetics and performance. In contrast, the AXP90 X47, while not as visually striking, offers a sleek low-profile design that seamlessly integrates into smaller setups. Its compact size means it won't obstruct RAM slots, a common concern with larger coolers. Therefore, while the Peerless Assassin provides more visual flair, the AXP90 X47 excels in practicality for space-constrained builds.

Compatibility and Installation

Both coolers support a wide range of CPU sockets, including Intel's LGA1700 and AMD's AM4/AM5. The Peerless Assassin 120 SE requires the original motherboard's backplate for installation on AM4 and AM5 sockets, which could be a slight inconvenience for some users. In contrast, the AXP90 X47 comes equipped with the necessary metal mounting fasteners for various platforms, making the installation process relatively straightforward. However, the Peerless Assassin’s extensive compatibility with Intel sockets offers flexibility for users with older systems looking to upgrade their cooling solution.

Noise Levels and Operation

In terms of noise, the AXP90 X47 operates at a quieter level of 22.4dB(A) compared to the Peerless Assassin's 25.6dB(A). Although the difference may seem minor, it could be significant for users who prioritise silent operation in their builds. The AXP90 X47’s fan is designed for ultra-quiet performance, making it an appealing choice for those who seek a quieter computing environment. On the other hand, the Peerless Assassin, while slightly louder, provides a balance of performance and noise that may be acceptable for users engaged in gaming or resource-intensive tasks.

Price Comparison

The Thermalright AXP90 X47 is priced at C$43.39, making it the more budget-friendly option compared to the Peerless Assassin 120 SE at C$48.90. This price difference of C$5.51 might make the AXP90 X47 more attractive for users with limited budgets, particularly those building compact systems. However, the additional investment in the Peerless Assassin may be justified for users seeking superior cooling performance and aesthetics. Ultimately, the price consideration will depend on individual preferences and the specific needs of the user's build.

Which should you buy?

Choosing between the Thermalright Peerless Assassin 120 SE and the AXP90 X47 ultimately depends on your specific needs and the nature of your build. If you're seeking a high-performance cooler with superior airflow and aesthetic appeal, the Peerless Assassin 120 SE is well worth the C$48.90 investment. However, if you're working with a compact case and prioritise silent operation, the AXP90 X47 at C$43.39 offers excellent value while accommodating smaller form factors. Consider your cooling requirements, case compatibility, and personal preferences when making your decision.

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Thermalright Peerless Assassin 120 SE CPU Cooler vs Thermalright AXP90 X47 Full Low Profile CPU Cooler | versusfinder