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Thermalright AXP-120-X67 Black ARGB Low Profile vs Thermalright Peerless Assassin 120 Black CPU Air

Updated August 2026 — full head-to-head comparison.

Introduction to CPU Coolers

When it comes to keeping your CPU cool, choosing the right air cooler is essential for performance and longevity. Today, we will compare two products from Thermalright: the AXP-120-X67 Black ARGB Low Profile CPU Air Cooler and the Peerless Assassin 120 Black CPU Air Cooler. With prices of $32.59 and $38.90 respectively, these coolers offer different features and specifications that cater to various needs.

Design and Aesthetics

The Thermalright AXP-120-X67 features a low-profile design with a height of only 67mm, making it suitable for compact builds. Its black ARGB lighting adds a stylish touch, appealing to gamers and aesthetic enthusiasts. In contrast, the Peerless Assassin 120 Black boasts a twin-tower design measuring 157mm in height. This larger design is not only visually striking but also functional, providing an effective heat dissipation area of 9600cm². While both coolers are black and sleek, enthusiasts who prioritize RGB lighting might lean towards the AXP-120-X67, while those needing superior cooling might prefer the Peerless Assassin.

Cooling Performance

Cooling performance is a critical factor for any CPU cooler. The AXP-120-X67 is equipped with six heat pipes and a single 120mm PWM fan, offering a maximum airflow of 59 CFM at a noise level of 26.1 dB(A). This performance is adequate for most setups, particularly in low-profile cases. On the other hand, the Peerless Assassin 120 features a dual-fan setup with two 120mm PWM fans that can achieve an airflow of 66.17 CFM while maintaining a slightly quieter operation at 25.6 dB(A). For users with high-performance CPUs, the Peerless Assassin provides superior cooling potential with a TDP rating of 245W.

Compatibility

Compatibility is crucial when selecting a CPU cooler. The AXP-120-X67 supports a wide array of Intel and AMD sockets, including LGA 1700 and AM4. Its design allows for easy installation on various platforms, making it versatile for many builds. The Peerless Assassin 120 also supports a range of Intel and AMD sockets, including the newer AM5 and LGA 1700. This makes it an excellent choice for those looking to future-proof their builds. Both coolers offer solid compatibility, but the Peerless Assassin edges out slightly with support for more recent CPU sockets.

Noise Levels

Noise levels are an important consideration, particularly for users who value a quiet operation. The AXP-120-X67 has a maximum noise level of 26.1 dB(A), which is relatively quiet and suitable for standard builds. In comparison, the Peerless Assassin 120 operates at a maximum noise level of 25.6 dB(A) with its dual fans. This slight difference in noise levels may not be noticeable in practical use, but the Peerless Assassin's dual-fan design provides an advantage in cooling efficiency without significantly increasing noise.

Installation Process

The installation process can vary significantly between coolers. The AXP-120-X67 is designed with an intuitive installation mechanism, featuring metal fasteners that simplify the mounting process for both Intel and AMD platforms. Conversely, the Peerless Assassin 120, while also equipped with metal fasteners for easier installation, benefits from its twin-tower design which can require a bit more space and care during installation. Users in tight cases may find the low-profile AXP-120-X67 easier to work with.

Price Comparison

The price difference between the two coolers is notable, with the AXP-120-X67 priced at $32.59 and the Peerless Assassin 120 at $38.90. This makes the AXP-120-X67 about 17% cheaper than its counterpart. For budget-conscious consumers, this price difference can be significant, particularly if the cooling performance of the AXP-120-X67 meets their needs. However, those willing to invest a bit more may find that the additional cooling capabilities of the Peerless Assassin justify the higher price.

User Experience

User experience can vary based on individual needs and system requirements. The AXP-120-X67 is ideal for users with compact builds who prioritize space-saving and aesthetics. Its ARGB features and low-profile nature make it attractive for small form factor PCs. On the other hand, the Peerless Assassin 120 is suited for users seeking maximum cooling performance, especially in high-demand scenarios such as gaming or heavy workloads. Its larger size accommodates better airflow and heat dissipation, making it a better fit for high-performance systems.

Which should you buy?

Choosing between the Thermalright AXP-120-X67 and the Peerless Assassin 120 ultimately depends on your specific needs. If you're looking for a cost-effective, low-profile cooler that offers decent performance and aesthetics, the AXP-120-X67 is a solid choice at $32.59. However, if you're willing to spend a bit more for superior cooling performance, especially in high-performance systems, the Peerless Assassin 120 at $38.90 is likely the better option. Consider your system's requirements and budget when making your decision.