Gamma A40 ARGB BK CPU Cooler vs Thermalright Assassin X 120 SE CPU Air Cooler
Updated August 2026 — The Thermalright Assassin X 120 SE offers better cooling capacity and brand reliability, making it the preferred choice. However, the Gamma A40 has a compact design and innovative features.
The Thermalright Assassin X 120 SE offers better cooling capacity and brand reliability, making it the preferred choice. However, the Gamma A40 has a compact design and innovative features.
Why Gamma A40 ARGB BK CPU Cooler is better
compact design
Gamma A40 has a height of 133mm, fitting in more cases.
unique aesthetics
Gamma A40 features a modern top cover design.
easy installation
Gamma A40 is straightforward to install on Intel and AMD.
Why Thermalright Assassin X 120 SE CPU Air Cooler is better
higher TDP
Thermalright Assassin X supports TDP up to 225W.
larger fan
Thermalright Assassin X has a 120mm fan for better airflow.
brand reputation
Thermalright has over 20 years of experience in the market.
Overall score
Specifications
| Spec | Gamma A40 ARGB BK CPU Cooler | Thermalright Assassin X 120 SE CPU Air Cooler |
|---|---|---|
| Cooling Capacity | 200W | 225W |
| Fan Speed | N/A | 1550 RPM |
| Noise Level | N/A | 25.6 dB(A) |
| Socket Compatibility | Intel & AMD | Intel & AMD |
| Installation Ease | Easy | Easy |
Dimension comparison
Overview of CPU Coolers
When choosing a CPU cooler, two strong contenders are the Gamma A40 ARGB BK CPU Cooler and the Thermalright Assassin X 120 SE CPU Air Cooler. The Gamma A40 is priced at C$29.09, while the Thermalright Assassin X 120 SE offers a slightly lower price of C$25.59. Both coolers are designed to support mainstream Intel and AMD platforms, making them suitable for a wide range of builds.
Design and Compatibility
The Gamma A40 features a compact design with a height of 133mm, ensuring it fits comfortably in most cases. Its innovative top cover design with round dot matrix elements adds a modern touch. On the other hand, the Thermalright Assassin X 120 SE stands at 148mm tall, which may require more consideration regarding case compatibility. However, its dimensions of 125mm x 71mm make it feasible for medium-sized cases. Both coolers are engineered to provide strong cooling support for their respective TDP ratings.
Cooling Performance
Cooling efficiency is a critical aspect when selecting a CPU cooler. The Gamma A40 supports up to 200W TDP, making it robust enough for various CPUs. Its direct-touch heatpipe design, featuring four 6mm heatpipes, enhances thermal conductivity. The Thermalright Assassin X 120 SE can handle a TDP range from 125W to 225W, giving it a slight edge in maximum cooling capacity. Its advanced AGHP technique helps mitigate the effects of gravity on cooling performance, ensuring effective heat dissipation regardless of orientation.
Fan Efficiency
Both coolers are equipped with efficient fans that contribute to their overall performance. The Gamma A40 uses a 100mm fan, designed to outperform other compact cooler fans in its category. In contrast, the Thermalright Assassin X 120 SE features a larger 120mm PWM fan that operates at a speed of 1550 RPM with a maximum airflow of 66.17 CFM. This fan is also designed to maintain a low noise level of 25.6 dB(A), making it an excellent choice for users seeking a quiet computing environment.
Installation Process
Ease of installation is vital for any CPU cooler, and both the Gamma A40 and the Thermalright Assassin X 120 SE deliver in this regard. The Gamma A40 is noted for its straightforward installation process suitable for both Intel and AMD platforms. Similarly, the Thermalright Assassin X 120 SE provides metal fasteners for both Intel and AMD sockets, ensuring a secure and easy setup. This makes either cooler a suitable option for users who may not have extensive experience with installing CPU coolers.
Brand Reputation and Experience
The brand behind each cooler brings a different level of experience to the table. Ocypus, the brand for the Gamma A40, is relatively lesser-known but focuses on delivering quality products with innovative features. In contrast, Thermalright has over 20 years of experience in the market, gaining a strong reputation for reliability and performance. This established history may give users more confidence in the Thermalright Assassin X 120 SE as a dependable choice for long-term use.
Price and Value
Price is a significant factor in any purchasing decision. The Gamma A40 is available for C$29.09, while the Thermalright Assassin X 120 SE is slightly cheaper at C$25.59. Despite the minimal price difference, users might find greater value in the Thermalright cooler due to its higher TDP capacity and larger fan size, which can lead to better overall performance in demanding situations. However, the innovative design and cooling efficiency of the Gamma A40 still provide excellent value for its price.
Which should you buy?
Choosing between the Gamma A40 ARGB BK CPU Cooler and the Thermalright Assassin X 120 SE CPU Air Cooler ultimately depends on individual needs. If you require a compact cooler with a modern aesthetic and solid performance, the Gamma A40 is a great choice. However, if you prioritise maximum cooling capacity and brand reliability, the Thermalright Assassin X 120 SE stands out with its proven track record and slightly better specifications. Both coolers are excellent options, but understanding your specific requirements will guide you to the right decision.
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