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Thermalright AXP120-X67 Low Profile CPU Air Cooler vs Thermalright Peerless Assassin 120 Mini Black CPU

Updated August 2026 — Thermalright Peerless Assassin 120 Mini Black CPU leads on noise level and design.

The Thermalright Peerless Assassin 120 Mini Black offers superior cooling performance and slightly quieter operation, making it the better choice for high-demand scenarios.

Why Thermalright AXP120-X67 Low Profile CPU Air Cooler is better

Lower Price

AXP120-X67 is $27.99 compared to $34.39 for Peerless Assassin

Compact Size

AXP120-X67 is more suitable for smaller cases

Slightly Quieter

AXP120-X67 operates at 26.1 dB(A) compared to 25.6 dB(A) for Peerless Assassin

Why Thermalright Peerless Assassin 120 Mini Black CPU is better

Higher Airflow

Peerless Assassin has 66.87 CFM vs 59 CFM for AXP120-X67

Better Cooling Tech

Peerless Assassin uses AGHP technology for enhanced heat dissipation

Larger Fan Size

Peerless Assassin has a thicker 120mm fan for improved performance

Overall score

Thermalright AXP120-X67 Low Profile CPU Air Cooler
75
Thermalright Peerless Assassin 120 Mini Black CPU
82

Specifications

SpecThermalright AXP120-X67 Low Profile CPU Air CoolerThermalright Peerless Assassin 120 Mini Black CPU
Airflow59 CFM66.87 CFM
Fan Speed1800 RPM1500 RPM
Noise Level26.1 dB(A)25.6 dB(A)
CompatibilityAMD AM4/AM5, Intel LGA 1700/1150-1156AMD AM4/AM5, Intel LGA 2011/1700/1150-1200
Price$27.99$34.39

Dimension comparison

Thermalright AXP120-X67 Low Profile CPU Air CoolerThermalright Peerless Assassin 120 Mini Black CPU

Introduction to CPU Coolers

When it comes to cooling your CPU, choosing the right cooler is essential for optimal performance. The Thermalright AXP120-X67 and the Thermalright Peerless Assassin 120 Mini Black are two strong contenders in the CPU cooler market, each with its unique features and specifications. In this comparison, we will explore their design, cooling capabilities, noise levels, and price to determine which cooler stands out.

Design and Build Quality

The design of a CPU cooler plays a crucial role in both aesthetics and functionality. The Thermalright AXP120-X67 features a low-profile design with dimensions of 120x120x67mm, making it suitable for compact builds. It incorporates a copper base combined with aluminum fins and utilizes a PWM fan that measures 120x120x15mm. In contrast, the Thermalright Peerless Assassin 120 Mini Black has a larger footprint at 125x110x135mm, with a fully blackened body and CNC precision micro-engraved copper base. This cooler also features six heat pipes and a thicker 120mm PWM fan, measuring 120x120x25mm.

While both coolers boast a robust build quality, the Peerless Assassin's larger size may offer better thermal performance due to its increased surface area. However, the AXP120-X67's low-profile design makes it an excellent choice for smaller cases where space is a premium.

Cooling Performance

Cooling performance is paramount when selecting a CPU cooler, and both products utilize advanced technologies to dissipate heat effectively. The Thermalright AXP120-X67 utilizes six heat pipes and has a maximum airflow of 59 CFM generated by its PWM fan, which operates at a speed of 1800 RPM. This cooler excels in low-profile scenarios, ensuring efficient cooling without taking up too much space.

On the other hand, the Thermalright Peerless Assassin 120 Mini Black employs AGHP technology with six heat pipes and can achieve an airflow of 66.87 CFM at a fan speed of 1500 RPM. The increased airflow and larger fan may provide superior cooling performance, especially in high-demand scenarios. Therefore, if ultimate cooling efficiency is a priority, the Peerless Assassin may have the edge over the AXP120-X67.

Noise Levels

Noise output is a major consideration for many PC builders, particularly for those who desire a quiet computing environment. The Thermalright AXP120-X67 operates at a noise level of 26.1 dB(A), making it a relatively quiet option for a low-profile cooler. This can be particularly advantageous for users who prioritize silence during operation.

In comparison, the Thermalright Peerless Assassin 120 Mini Black has a slightly lower noise level of 25.6 dB(A). Although the difference is minimal, it suggests that the Peerless Assassin may provide a quieter operation even under full load. For users sensitive to noise, this marginal advantage could influence their decision.

Compatibility

Compatibility with different CPU sockets is essential for ensuring that the cooler will fit your system. The Thermalright AXP120-X67 supports both AMD AM4/AM5 and various Intel sockets, including LGA 1700 and 1150 through 1156. This wide compatibility makes it a versatile choice for many builds.

Similarly, the Thermalright Peerless Assassin 120 Mini Black supports a range of sockets, including AMD AM4/AM5 and Intel LGA 2011, 1700, and others. Both coolers cater to a broad audience, ensuring they can be integrated into numerous setups. Therefore, compatibility is not a distinguishing factor in this comparison.

Price Point

When it comes to pricing, the Thermalright AXP120-X67 is currently priced at $27.99. In contrast, the Thermalright Peerless Assassin 120 Mini Black comes at a higher price of $34.39. This makes the AXP120-X67 approximately 17% cheaper than the Peerless Assassin. For budget-conscious consumers, the AXP120-X67 offers a compelling value proposition without sacrificing essential features.

However, it is important to note that the higher price of the Peerless Assassin may be justified by its larger size, potentially better cooling performance, and additional features. Thus, the price difference may reflect the differing capabilities of the two coolers.

Brand Reputation

Both coolers are manufactured by Thermalright, a Taiwanese brand with over 20 years of experience in the cooling industry. Their focus on research and development has earned them a strong reputation, especially among PC enthusiasts. The brand's commitment to quality is evident in both products, ensuring that customers can trust their cooling solutions.

Given both products stem from the same reputable brand, potential buyers can feel confident in their purchase, knowing they are investing in reliable cooling technology.

User Feedback

While specific sales ranks and user reviews are not provided, it is essential to consider user feedback when evaluating cooling products. Thermalright has built a loyal customer base over the years, and both the AXP120-X67 and the Peerless Assassin 120 Mini Black are likely to have received positive feedback regarding their effectiveness and reliability.

Potential users should look for reviews to gain insights into real-world performance and satisfaction levels, which can further inform their purchasing decision.

Which should you buy?

Deciding between the Thermalright AXP120-X67 and the Thermalright Peerless Assassin 120 Mini Black ultimately depends on your specific needs and budget. If you’re looking for a cost-effective, low-profile solution that doesn’t compromise on cooling performance, the AXP120-X67, priced at $27.99, is a solid choice. However, if you require superior cooling capabilities and have a slightly higher budget, the Peerless Assassin 120 Mini Black at $34.39 may be worth the investment. Both coolers are excellent in their own right, but your requirements will dictate the best option for your build.