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

Updated August 2026The Thermalright Peerless Assassin 120 offers superior cooling efficiency and aesthetic features compared to the Gamma A40. However, the Gamma A40 is a budget-friendly option.

The Thermalright Peerless Assassin 120 offers superior cooling efficiency and aesthetic features compared to the Gamma A40. However, the Gamma A40 is a budget-friendly option.

Why Thermalright Peerless Assassin 120 Digital ARGB Black CPU Air Cooler is better

Cooling Efficiency

Peerless Assassin has dual fans with 1850 RPM and 88.89 CFM airflow.

Aesthetics

Peerless Assassin features customizable ARGB lighting.

Compatibility

Peerless Assassin supports a wider range of CPU sockets.

Why Gamma A40 ARGB BK CPU Cooler is better

Price

Gamma A40 is more budget-friendly at C$29.09.

Compact Design

Gamma A40 has a smaller height of 133mm.

Ease of Installation

Gamma A40 is quick to install in tight spaces.

Overall score

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

Specifications

SpecThermalright Peerless Assassin 120 Digital ARGB Black CPU Air CoolerGamma A40 ARGB BK CPU Cooler
BrandThermalrightOcypus
Fan Speed1850 RPMN/A
TDP SupportN/A200W
ARGB LightingYesNo
Socket CompatibilityWideMainstream

Dimension comparison

Thermalright Peerless Assassin 120 Digital ARGB Black CPU Air CoolerGamma A40 ARGB BK CPU Cooler

Overview

When it comes to CPU cooling solutions, choosing the right cooler can significantly impact your system's performance. In this article, we will compare the Thermalright Peerless Assassin 120 Digital ARGB Black CPU Air Cooler and the Gamma A40 ARGB BK CPU Cooler. Priced at C$52.62 and C$29.09 respectively, these coolers offer different features targeting various user needs.

Cooling Efficiency

The Thermalright Peerless Assassin 120 excels in cooling efficiency, supporting high-speed dual fans that reach speeds of 1850 RPM and an impressive airflow of 88.89 CFM. This configuration allows it to efficiently dissipate heat, making it suitable for high-performance CPUs. In contrast, the Gamma A40 provides strong cooling support for up to 200W TDP, but its smaller 100mm fan may not achieve the same airflow levels as the Peerless Assassin. While both coolers are capable, the Thermalright's dual-fan system offers superior cooling performance.

Design and Aesthetics

In terms of design, the Thermalright Peerless Assassin 120 boasts a dual-tower configuration complemented by adjustable ARGB lighting effects. This cooler not only prioritizes functionality but also aesthetic appeal, allowing users to synchronize lighting with motherboard software. On the other hand, the Gamma A40 features a compact height of 133mm and a classic round dot matrix top cover. While the Gamma is visually appealing, the Thermalright's greater emphasis on ARGB lighting gives it an edge for users who prioritise aesthetics along with performance.

Compatibility

Compatibility is a crucial aspect of any CPU cooler. The Thermalright Peerless Assassin 120 supports a wide range of platforms, including AMD AM4/AM5 and Intel LGA configurations, making it versatile for various builds. In comparison, the Gamma A40 is also compatible with both Intel and AMD mainstream platforms, but it does not list as many specific socket types as the Thermalright. Therefore, if you are looking for versatility in socket compatibility, the Peerless Assassin is the better option.

Installation

Ease of installation can significantly influence the user experience. The Thermalright Peerless Assassin 120 features SS2 clips that simplify the installation process and are compatible with multiple CPU models. Additionally, it includes a Y-type adapter for connecting two fans, which can streamline setup. The Gamma A40 is designed for easy installation as well, but given its compact design, it may be quicker to install in tight spaces. Nonetheless, the Thermalright offers a more robust installation experience with its comprehensive compatibility and features.

Noise Levels

When considering CPU coolers, noise levels can be a concern, especially for users who desire a quiet environment. The Thermalright Peerless Assassin operates at a noise level of ≤25.6 dB(A), which is relatively quiet for a high-performance cooler. The Gamma A40 does not specify its noise levels; however, the smaller 100mm fan might generate more noise under heavy load compared to the larger and more efficient setup of the Thermalright. If noise reduction is a priority, the Peerless Assassin is the clear choice.

Price Point

Price is often a determining factor in purchasing decisions. The Thermalright Peerless Assassin 120 is priced at C$52.62, which positions it as a mid-range option. In contrast, the Gamma A40 offers a more budget-friendly price of C$29.09, making it accessible for users with limited budgets. While the Gamma A40 presents an attractive price point, the additional features and enhanced cooling capabilities of the Thermalright justify the higher cost for those seeking better performance.

User Experience

User experience can be influenced by various factors such as performance, installation, and aesthetics. The Thermalright Peerless Assassin 120, with its dual-fan cooling and customizable ARGB lighting, offers an engaging experience for users who enjoy personalising their builds. The ease of installation and compatibility with various platforms further enhance its user-friendly design. While the Gamma A40 provides decent performance and is easy to install, it may lack the advanced features that enhance the overall experience, especially for performance enthusiasts.

Which should you buy?

The choice between the Thermalright Peerless Assassin 120 Digital ARGB Black CPU Air Cooler and the Gamma A40 ARGB BK CPU Cooler boils down to your specific needs. If you are looking for superior cooling efficiency, extensive compatibility, and aesthetic appeal with ARGB lighting, the Thermalright Peerless Assassin, at C$52.62, is worth the investment. However, if you are on a tight budget and need a compact, easy-to-install cooler, the Gamma A40, priced at C$29.09, remains a solid option. Ultimately, your decision should align with your cooling requirements and budget constraints.

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