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

Updated August 2026 — Thermalright AXP90 X47 Full Low Profile CPU Cooler, wins on noise level and design, Thermalright Peerless Assassin 120 SE CPU Cooler, wins on cooling perf and build quality.

The Thermalright Peerless Assassin 120 SE offers superior cooling performance, while the AXP90 X47 is ideal for compact builds. Choose based on your specific needs.

Why Thermalright AXP90 X47 Full Low Profile CPU Cooler, is better

Price

AXP90 X47 is $33.99, cheaper than Peerless Assassin at $49.99.

Noise Level

AXP90 X47 operates at 22.4 dB(A), quieter than Peerless Assassin at 25.6 dB(A).

Size

AXP90 X47 has a low-profile design, fitting in smaller cases.

Why Thermalright Peerless Assassin 120 SE CPU Cooler, is better

Cooling Performance

Peerless Assassin has dual fans and six heat pipes for better cooling.

Airflow

Peerless Assassin provides 66.17 CFM airflow, significantly higher than AXP90 X47's 42.58 CFM.

Versatility

Peerless Assassin supports a wider range of sockets and builds.

Overall score

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

Specifications

SpecThermalright AXP90 X47 Full Low Profile CPU Cooler,Thermalright Peerless Assassin 120 SE CPU Cooler,
Price$33.99$49.99
Noise Level22.4 dB(A)25.6 dB(A)
Airflow42.58 CFM66.17 CFM
Fan SpeedN/A1550 RPM
Heat Pipes46

Dimension comparison

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

Overview of the Thermalright AXP90 X47 Full Low Profile CPU Cooler

The Thermalright AXP90 X47 Full Low Profile CPU Cooler is a compact cooling solution priced at $33.99. Its low-profile design, with a height of just 47mm, caters specifically to users with smaller computer cases or those looking to optimize space without sacrificing performance. The cooler features four heat pipes and a 92mm PWM fan, which combine to ensure effective heat dissipation while maintaining a low noise level of 22.4 dB(A).

This cooler is particularly suitable for AMD's AM4 and AM5 sockets, as well as Intel's LGA 1150, 1151, 1200, and 1700. Its pure copper base enhances heat conductivity, contributing to its overall cooling efficiency. The AXP90 X47 is designed for users seeking a powerful yet compact solution for their cooling needs.

Overview of the Thermalright Peerless Assassin 120 SE CPU Cooler

The Thermalright Peerless Assassin 120 SE CPU Cooler is a more robust option priced at $49.99. It features six heat pipes and dual 120mm PWM fans, delivering superior cooling performance, especially for higher-end builds. With a maximum fan speed of 1550 RPM and an airflow of 66.17 CFM, it operates at a noise level of 25.6 dB(A), making it slightly louder than its low-profile counterpart.

This cooler is compatible with a wide range of AMD and Intel sockets, including AM4, AM5, and LGA 1700, providing versatility for various builds. The Peerless Assassin's larger dimensions and advanced AGHP technology ensure efficient heat transfer, making it a solid choice for gamers and heavy users.

Performance Comparison

When it comes to cooling performance, the Thermalright Peerless Assassin 120 SE has a distinct advantage due to its dual fan design and six heat pipes. This configuration allows it to deliver superior airflow and heat dissipation compared to the AXP90 X47, which relies on a single fan and four heat pipes. While the AXP90 X47 provides adequate cooling for small builds, the Peerless Assassin is designed for more demanding applications.

The AXP90 X47 operates quietly at a noise level of 22.4 dB(A), making it ideal for users who prioritize a silent operation. However, the cooling capabilities of the Peerless Assassin at a slightly higher noise level of 25.6 dB(A) may be worth it for users seeking maximum performance, especially during intense workloads or gaming sessions.

Design and Aesthetics

The Thermalright AXP90 X47 features a sleek, low-profile design that is perfect for compact builds. Its height of just 47mm allows it to fit comfortably in small cases without obstructing RAM slots. The cooler's pure copper base and plating anti-oxidation protective layer contribute to its durability and aesthetic appeal.

In contrast, the Thermalright Peerless Assassin 120 SE boasts a more robust appearance with its dual tower design and larger dimensions. Its aluminum construction and six heat pipes not only enhance performance but also add to its visual presence in a gaming rig. While both coolers have a professional look, the choice may come down to personal preference regarding size and design.

Installation and Compatibility

The installation process for both coolers is straightforward, although the Thermalright Peerless Assassin 120 SE may require more space and care due to its larger size. The AXP90 X47 is equipped to fit in tighter spaces, making it easier to install in smaller cases. It is compatible with a broad range of Intel and AMD sockets, ensuring versatility.

The Peerless Assassin also supports a variety of sockets, including Intel's LGA 1700 and AMD's AM5, but users should ensure their cases can accommodate its dimensions. The inclusion of metal fasteners for both platforms facilitates a secure installation, though the larger size may present challenges in cramped setups.

Price Comparison

The Thermalright AXP90 X47 is priced at $33.99, making it about 17% cheaper than the Thermalright Peerless Assassin 120 SE, which retails for $49.99. For users on a budget or those who need a compact cooling solution, the AXP90 X47 offers a more economical option without sacrificing essential performance features.

However, for users who require advanced cooling capabilities and are willing to invest more, the Peerless Assassin justifies its higher price with superior performance and versatility. The decision between the two coolers may hinge on the specific cooling needs and budget of the user.

User Experience and Feedback

While specific user reviews and feedback are not provided, the design and features of both coolers suggest they cater well to their respective target audiences. The AXP90 X47 is likely favored among users seeking a low-profile solution that does not compromise on cooling efficiency in smaller builds. Its quiet operation is another plus for those who prefer a noise-free environment.

On the other hand, the Peerless Assassin 120 SE is likely to attract gamers and heavy workloads who need a powerful cooling solution. The dual fan setup and advanced technology provide users with confidence in maintaining optimal temperatures during intensive tasks.

Which should you buy?

Choosing between the Thermalright AXP90 X47 Full Low Profile CPU Cooler and the Thermalright Peerless Assassin 120 SE CPU Cooler ultimately depends on your specific needs and build requirements. If you have a compact setup and prefer a quieter cooling solution, the AXP90 X47 at $33.99 is the ideal choice. However, for users with larger cases looking for superior cooling performance, the Peerless Assassin 120 SE at $49.99 offers advanced features and impressive heat dissipation capabilities. Assess your priorities and budget to determine which cooler aligns best with your needs.