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

Updated August 2026The Thermalright Peerless Assassin 120 Black CPU Air Cooler offers superior cooling performance and build quality, making it the better choice for high-performance setups. However, the Gamma A40 ARGB BK CPU Cooler is a more budget-friendly option.

The Thermalright Peerless Assassin 120 Black CPU Air Cooler offers superior cooling performance and build quality, making it the better choice for high-performance setups. However, the Gamma A40 ARGB BK CPU Cooler is a more budget-friendly option.

Why Gamma A40 ARGB BK CPU Cooler is better

lower price

Gamma A40 costs C$29.09 compared to C$54.90 for Peerless Assassin

compact design

Gamma A40 has a height of 133mm for better case compatibility

easy installation

Gamma A40 supports mainstream Intel and AMD platforms easily

Why Thermalright Peerless Assassin 120 Black CPU Air Cooler is better

better cooling

Peerless Assassin supports superior heat dissipation with a 9600cm² area

dual fans

Peerless Assassin features two 120mm fans for enhanced airflow

extensive compatibility

Peerless Assassin supports a wider range of CPU sockets

Overall score

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

Specifications

SpecGamma A40 ARGB BK CPU CoolerThermalright Peerless Assassin 120 Black CPU Air Cooler
PriceC$29.09C$54.90
Cooling AreaN/A9600cm²
Fan Count12
Noise LevelN/A≤25.6 dB(A)
InstallationEasySecure with fasteners

Dimension comparison

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

Price Comparison

The Gamma A40 ARGB BK CPU Cooler is priced at C$29.09, while the Thermalright Peerless Assassin 120 Black CPU Air Cooler costs C$54.90. This makes the Gamma A40 significantly more affordable, with a price difference of C$25.81. If budget is a primary concern, the Gamma A40 offers a compelling entry point into the market without compromising on essential features. On the other hand, the Thermalright Peerless Assassin, while pricier, may justify its cost through advanced cooling technologies and build quality that appeals to enthusiasts and gamers alike.

Cooling Performance

The Gamma A40 supports a thermal design power (TDP) of up to 200W, which is commendable for its compact size. This cooler features a direct-touch heatpipe design, utilising four 6mm heatpipes to enhance contact with the CPU, thereby improving heat dissipation. In contrast, the Thermalright Peerless Assassin boasts a more extensive heat dissipation area of 9600cm² thanks to its twin-tower design and advanced AGHP technique that optimally positions six heatpipes. This cooler promises superior performance, especially under heavy loads, making it more suitable for high-performance CPUs.

Design and Build Quality

In terms of design, the Gamma A40 features a compact height of 133mm, ensuring compatibility with a wide range of computer cases. Its aesthetic appeal is enhanced by a brand new top cover design featuring classic round dot matrix elements. The Thermalright Peerless Assassin, however, is larger, measuring 125mm in length, 135mm in width, and 157mm in height. Its sleek black paint finish and twin-tower structure not only provide a modern look but also contribute to its enhanced cooling performance. For users prioritising form and function, the robust build of the Peerless Assassin may stand out.

Fan Performance

The fan included with the Gamma A40 is a 100mm unit, which is designed to deliver better performance than other compact cooler fans. However, it does not specify its maximum airflow or noise levels. On the other hand, the Thermalright Peerless Assassin comes equipped with two PWM fans, each measuring 120mm, capable of producing an airflow of 66.17 CFM at a noise level of up to 25.6 dB(A). The dual fan setup not only enhances cooling efficiency but also allows for quieter operation during intensive tasks. This makes the Peerless Assassin more suitable for users who require low noise levels alongside effective cooling.

Installation and Compatibility

Both coolers are designed to be user-friendly regarding installation, catering to both Intel and AMD platforms. The Gamma A40 provides easy installation support for mainstream platforms, making it accessible for novice builders. Conversely, the Thermalright Peerless Assassin includes metal fasteners for various CPU sockets, ensuring a secure fit. Its compatibility covers a broad range of Intel sockets, including LGA1150 through to LGA2066, as well as AMD's AM4 and AM5. This extensive compatibility makes the Peerless Assassin a versatile choice for users with different system configurations.

Target Audience

The Gamma A40 is ideal for users looking for an economical cooling solution without excessive features. Its compact design and sufficient TDP support make it perfect for budget builds or smaller cases. In contrast, the Thermalright Peerless Assassin targets enthusiasts and gamers who demand superior cooling performance and are willing to invest more for advanced technology. Its larger size and dual-fan system cater to high-performance CPUs that require more robust cooling solutions, making it suitable for overclocking scenarios.

Warranty and Support

While specific warranty details are not provided, the brand reputation and customer support can significantly influence the purchasing decision. Ocypus, the manufacturer of the Gamma A40, offers a decent entry-level cooler backed by basic support. Thermalright, known for its premium cooling solutions, often provides extensive warranty coverage and customer service, which adds reassurance for buyers investing in higher-end products. This factor may play a crucial role for consumers who prioritise after-sales support and product longevity.

Which should you buy?

Choosing between the Gamma A40 ARGB BK CPU Cooler and the Thermalright Peerless Assassin 120 Black CPU Air Cooler ultimately depends on your specific needs and budget. If you are looking for an affordable, compact cooler that provides decent performance for general computing, the Gamma A40 is a solid choice at C$29.09. However, if you require superior cooling efficiency, especially for high-performance setups or overclocking, the Thermalright Peerless Assassin, priced at C$54.90, offers advanced features and better heat dissipation. Each cooler has its strengths, so your decision should align with your cooling requirements and financial considerations.

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