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Thermalright Peerless Assassin 120 SE V2 CPU Cooler vs Gamma A40 ARGB BK CPU Cooler

Updated August 2026The Thermalright Peerless Assassin 120 SE V2 offers superior cooling performance and build quality, making it the better choice for high-end CPUs, while the Gamma A40 is a budget-friendly option for compact builds.

The Thermalright Peerless Assassin 120 SE V2 offers superior cooling performance and build quality, making it the better choice for high-end CPUs, while the Gamma A40 is a budget-friendly option for compact builds.

Why Thermalright Peerless Assassin 120 SE V2 CPU Cooler is better

Cooling Performance

Higher TDP support of 265W vs 200W

Airflow

88.19 CFM vs single 100mm fan

Build Quality

Aluminum and copper construction vs compact design

Why Gamma A40 ARGB BK CPU Cooler is better

Price

C$29.09 vs C$54.90

Compact Size

Height of 133mm for better case compatibility

Aesthetics

Unique top cover design

Overall score

Thermalright Peerless Assassin 120 SE V2 CPU Cooler
85
Gamma A40 ARGB BK CPU Cooler
65

Specifications

SpecThermalright Peerless Assassin 120 SE V2 CPU CoolerGamma A40 ARGB BK CPU Cooler
MaterialAluminum & CopperAluminum
Fan Speed1850 RPMNot specified
Noise Level≤29.5 dB(A)Not specified
InstallationDetailed instructionsEasy installation
CompatibilityIntel & AMDIntel & AMD

Dimension comparison

Thermalright Peerless Assassin 120 SE V2 CPU CoolerGamma A40 ARGB BK CPU Cooler

Price Comparison

When it comes to pricing, the Thermalright Peerless Assassin 120 SE V2 CPU Cooler is significantly more expensive at C$54.90 compared to the Gamma A40 ARGB BK CPU Cooler, which retails at C$29.09. This nearly C$25 difference may reflect the thermal performance and feature set offered by the Thermalright cooler. With a price point almost double that of the Gamma A40, potential buyers should consider whether the enhanced cooling capabilities justify the extra cost.

Cooling Performance

In terms of cooling performance, the Thermalright Peerless Assassin boasts a maximum TDP of 265 watts, which is considerably higher than the 200 watts supported by the Gamma A40. This suggests that the Peerless Assassin is designed for more demanding setups, making it a better choice for users with high-performance CPUs. Furthermore, the Peerless Assassin utilises a dual fan setup with an airflow of 88.19 CFM, compared to the single 100mm fan of the Gamma A40. This indicates that the Peerless Assassin is likely to provide superior heat dissipation under load.

Design and Build Quality

The Thermalright Peerless Assassin features a robust construction with an aluminium fin design and pure copper heat pipes, giving it a premium feel and improved thermal conductivity. It measures 125mm x 135mm x 155mm, making it a substantial presence in any case. On the other hand, the Gamma A40 is designed with a compact height of 133mm, which enhances compatibility with smaller cases. While the Peerless Assassin appears to be built for performance, the Gamma A40's compact design may appeal to those working with limited space.

Installation and Compatibility

Installation ease is crucial for many users, and both coolers cater to mainstream Intel and AMD platforms. The Thermalright Peerless Assassin includes metal fasteners for various CPU sockets, ensuring a secure fit. Its detailed installation instructions are an added benefit for users who may not be as experienced. The Gamma A40 also promises easy installation, making it user-friendly, but lacks the detailed specifics of the mounting options provided by the Peerless Assassin. Users should consider their skill level when choosing between these two options.

Noise Levels

Noise levels can significantly impact user experience, especially in a quiet environment. The Thermalright Peerless Assassin operates at a maximum noise level of 29.5 dB(A), which is relatively quiet for a cooler with a higher airflow. In contrast, the Gamma A40 does not provide specific noise level metrics, but its smaller fan may operate at a lower decibel level due to its size. Buyers prioritising a quieter operation might lean towards the Gamma A40, but without definitive specs, choosing based on noise alone could be risky.

Aesthetics

Aesthetically, the Gamma A40 features a unique top cover design with a classic round dot matrix element, appealing to users who value visual appeal in their builds. Its compact size also allows for a cleaner look in smaller cases. The Thermalright Peerless Assassin, while not described in detail, is generally known for its more utilitarian appearance focused on performance. Users looking for a cooler that complements a gaming or visually striking setup might find the Gamma A40 more appealing.

Customer Support and Warranty

Warranty and customer support can often influence purchasing decisions. While specific warranty details for both products are not provided in the data, Thermalright is a well-known brand with a reputation for good customer service, which can be an essential factor for buyers concerned about long-term reliability. The Gamma A40, produced by Ocypus, may not have the same level of recognition, potentially affecting customer confidence. Users should consider their comfort level with brand reputation when making their choice.

Which should you buy?

Ultimately, the decision between the Thermalright Peerless Assassin 120 SE V2 and the Gamma A40 ARGB BK CPU Cooler hinges on individual needs and priorities. If you are looking for superior cooling performance for high-end CPUs and are willing to invest more, the Thermalright Peerless Assassin is the clear choice. However, if budget constraints and compact design are your primary concerns, the Gamma A40 presents a solid option at a significantly lower price point. Each cooler has its strengths, so consider your specific requirements before making a final decision.

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Thermalright Peerless Assassin 120 SE V2 CPU Cooler vs Gamma A40 ARGB BK CPU Cooler | versusfinder