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Gamma A40 ARGB BK CPU Cooler vs Thermalright Peerless Assassin 120 SE Black CPU Cooler

Updated August 2026The Thermalright Peerless Assassin 120 SE Black CPU Cooler offers superior cooling performance and features, while the Gamma A40 ARGB BK CPU Cooler is a more budget-friendly option. Choose based on your specific needs.

The Thermalright Peerless Assassin 120 SE Black CPU Cooler offers superior cooling performance and features, while the Gamma A40 ARGB BK CPU Cooler is a more budget-friendly option. Choose based on your specific needs.

Why Gamma A40 ARGB BK CPU Cooler is better

lower price

C$29.09 vs C$46.79

compact design

133mm height for better case compatibility

easy installation

supports mainstream Intel and AMD platforms

Why Thermalright Peerless Assassin 120 SE Black CPU Cooler is better

better cooling

dual tower and dual fan design

higher airflow

66.17 CFM maximum airflow

brand reputation

Thermalright is known for high-performance cooling

Overall score

Gamma A40 ARGB BK CPU Cooler
65
Thermalright Peerless Assassin 120 SE Black CPU Cooler
85

Specifications

SpecGamma A40 ARGB BK CPU CoolerThermalright Peerless Assassin 120 SE Black CPU Cooler
PriceC$29.09C$46.79
Cooling TypeAirAir
Fan SpeedN/A1550 RPM
Noise LevelN/A≤25.6 dB
CompatibilityIntel & AMDIntel & AMD

Dimension comparison

Gamma A40 ARGB BK CPU CoolerThermalright Peerless Assassin 120 SE Black CPU Cooler

Price Comparison

The Gamma A40 ARGB BK CPU Cooler is priced at C$29.09, while the Thermalright Peerless Assassin 120 SE Black CPU Cooler comes in at C$46.79. This significant price difference of C$17.70 makes the Gamma A40 a more budget-friendly option for consumers looking for effective cooling solutions. The lower price point of the Gamma A40 may attract users who are building or upgrading their systems on a budget, while the Thermalright Peerless Assassin, with its higher price, may appeal to those seeking premium cooling performance and features.

Design and Aesthetics

The design of a CPU cooler is crucial not only for functionality but also for the overall appearance of a computer build. The Gamma A40 features a compact height of 133mm, ensuring compatibility with a wide range of cases. Its design includes a brand new top cover with classic round dot matrix elements, appealing to users who appreciate aesthetic details. In contrast, the Thermalright Peerless Assassin stands taller at 155mm, which accommodates dual towers and fans for better cooling efficiency. However, its bulkier design may limit compatibility with smaller cases. The sleek black finish of the Thermalright may attract users looking for a more aggressive gaming aesthetic.

Cooling Performance

When it comes to cooling performance, the Thermalright Peerless Assassin is designed for substantial heat dissipation. It supports a dual tower design and dual PWM fans that can provide a maximum airflow of 66.17 CFM, which contributes to its powerful cooling capabilities. The cooler can efficiently handle higher thermal loads, thanks to its effective heat dissipation area. On the other hand, the Gamma A40 offers solid cooling performance with a TDP rating of up to 200W, making it suitable for mid-range processors. While both coolers perform admirably, the Thermalright may have the edge in extreme cooling scenarios due to its advanced design and dual-fan setup.

Installation Process

The installation process is crucial for users, especially those who may not be as experienced in building PCs. The Gamma A40 is designed for easy installation, supporting both Intel and AMD mainstream platforms, which simplifies the process for users. Conversely, the Thermalright Peerless Assassin provides a more sophisticated installation experience with metal fasteners and a mounting kit compatible with various CPU slots, including Intel's LGA1700 and AMD's AM5. While both coolers aim for user-friendly installation, the Thermalright's more complex setup might be better suited for those seeking a robust and versatile solution.

Noise Levels

Noise levels are often a concern for PC builders, especially in quiet environments. The Thermalright Peerless Assassin operates at a noise level of ≤25.6dB, which is relatively low for a cooler equipped with dual fans. This means that users can expect effective cooling without excessive noise. The Gamma A40 does not specify its noise output, but its high-performance 100mm fan is designed to outperform comparable compact coolers, suggesting a balance between cooling efficiency and noise management. Users prioritizing a quiet PC experience may lean towards the Thermalright, given its explicit noise rating.

Compatibility

Compatibility is vital for ensuring that a CPU cooler fits within the user's system without issues. The Gamma A40 boasts a compact design that allows it to fit easily into a variety of cases, making it an excellent option for users with limited space. It supports mainstream Intel and AMD platforms, ensuring versatility for most builds. The Thermalright Peerless Assassin, while taller, also supports a wide range of CPU sockets, including the latest Intel and AMD platforms. However, its height may pose compatibility issues with smaller cases or configurations. Users should consider their specific build requirements when choosing between the two.

Brand Reputation

Brand reputation can significantly influence purchasing decisions. Ocypus, the brand behind the Gamma A40, is known for delivering reliable and budget-friendly cooling solutions, appealing to cost-conscious consumers. Thermalright, on the other hand, has established itself as a leader in high-performance cooling solutions, often favoured by enthusiasts and gamers seeking optimal thermal management. The choice of brand may come down to personal preference, with users leaning towards Thermalright for its premium reputation and the Gamma A40 for its affordability.

Which should you buy?

In conclusion, the choice between the Gamma A40 ARGB BK CPU Cooler and the Thermalright Peerless Assassin 120 SE Black CPU Cooler largely depends on individual needs and priorities. If budget and compact design are your main concerns, the Gamma A40 is a strong contender, offering solid performance at a lower price point of C$29.09. However, for those who prioritise superior cooling performance and have the budget for it, the Thermalright Peerless Assassin, priced at C$46.79, delivers enhanced cooling capabilities and a sleek design. Ultimately, your decision should reflect your specific cooling needs, case compatibility, and budget constraints.

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Gamma A40 ARGB BK CPU Cooler vs Thermalright Peerless Assassin 120 SE Black CPU Cooler | versusfinder