Gamma A40 ARGB BK CPU Cooler vs Thermalright SI-100 White ARGB CPU Air Cooler
Updated August 2026 — The Gamma A40 ARGB BK CPU Cooler offers a more budget-friendly option with solid performance, while the Thermalright SI-100 excels in brand reputation and quieter operation.
The Gamma A40 ARGB BK CPU Cooler offers a more budget-friendly option with solid performance, while the Thermalright SI-100 excels in brand reputation and quieter operation.
Why Gamma A40 ARGB BK CPU Cooler is better
lower price
Gamma A40 costs C$29.09 compared to C$35.90 for Thermalright SI-100
compact design
Gamma A40 has a height of 133mm, fitting in more cases
easy installation
Gamma A40 is noted for its straightforward installation process
Why Thermalright SI-100 White ARGB CPU Air Cooler is better
quieter operation
Thermalright SI-100 operates at 27.7 dB(A)
brand reputation
Thermalright has over 20 years of industry presence
advanced cooling tech
Thermalright SI-100 uses AGHP technique for better heat dissipation
Overall score
Specifications
| Spec | Gamma A40 ARGB BK CPU Cooler | Thermalright SI-100 White ARGB CPU Air Cooler |
|---|---|---|
| Price | C$29.09 | C$35.90 |
| Cooling TDP | 200W | 200W |
| Fan Noise | N/A | 27.7 dB(A) |
| Brand | Ocypus | Thermalright |
| Socket Support | Intel & AMD | Intel & AMD |
Dimension comparison
Price Comparison
When it comes to price, the Gamma A40 ARGB BK CPU Cooler is more affordable at C$29.09, compared to the Thermalright SI-100 White ARGB CPU Air Cooler, which retails for C$35.90. This represents a difference of C$6.81, making the Gamma A40 an attractive option for budget-conscious consumers. While the price difference may not seem substantial, for users looking to save on their overall build costs, this could be a deciding factor. Both coolers are competitively priced within the market, but the Gamma A40 offers a slightly more economical choice without compromising on essential features.
Design and Aesthetics
In terms of design, the Gamma A40 features a compact height of 133mm, ensuring compatibility with a wide range of cases. Its design is enhanced by a brand-new top cover with classic round dot matrix elements, appealing to users who value aesthetics in their builds. On the other hand, the Thermalright SI-100 boasts a height of just 100mm, allowing it to fit even in smaller cases. Both coolers come with ARGB lighting, contributing to a visually appealing setup. The choice between them may ultimately depend on personal preference regarding their respective designs and how they suit your overall build aesthetic.
Cooling Performance
Cooling efficiency is a critical factor for any CPU cooler, and both products perform well in this area. The Gamma A40 supports up to 200W TDP, making it suitable for a range of CPUs, including high-performance models. In comparison, the Thermalright SI-100 also manages a TDP of up to 200W, thanks to its advanced AGHP technique and six heat pipes that ensure effective heat dissipation. Thus, both coolers are capable of maintaining optimal temperatures under load, but users should consider their specific CPU requirements and the cooling performance needed for their intended usage.
Installation Process
Both the Gamma A40 and Thermalright SI-100 promise easy installation, supporting mainstream Intel and AMD platforms. The Gamma A40 is noted for its straightforward installation process, which can be a significant advantage for first-time builders. Meanwhile, the Thermalright SI-100 includes metal fasteners for both Intel and AMD, ensuring a reliable fit during installation. While both products aim to simplify the process, the Gamma A40 may appeal more to those who want a quick and hassle-free setup, while the Thermalright provides a more robust installation experience for those who might value secure mounting.
Noise Levels
Noise levels are an essential consideration for users seeking a quiet computing experience. The Gamma A40's high-performance fan is designed to deliver better performance than comparable compact coolers, though specific noise levels are not detailed in the provided information. Conversely, the Thermalright SI-100 operates with a PWM fan that maintains a noise level of 27.7 dB(A) at maximum speed, ensuring a quieter operation. If noise is a critical factor for your build, the Thermalright SI-100 may be the better choice, especially for users who prioritize a serene environment while gaming or working.
Brand Reputation
Brand reputation can play a significant role in purchasing decisions. Ocypus, the brand behind the Gamma A40, is relatively less known compared to Thermalright, which boasts over 20 years of development and is well-established in the CPU cooler market. Thermalright has built a reputation for reliability and quality, which may attract consumers looking for a trusted name in cooling solutions. While both brands offer quality products, those who value long-standing industry presence and brand trust might lean towards the Thermalright SI-100.
Compatibility
Both coolers are designed with compatibility in mind. The Gamma A40 supports both Intel and AMD mainstream platforms, making it versatile for various builds. The Thermalright SI-100 also provides extensive compatibility, supporting a wide range of Intel sockets from 1150 to 2066, as well as AMD’s AM4 and AM5 sockets. This broad compatibility ensures that both coolers can cater to a diverse array of CPUs, allowing users to choose either cooler without worrying about fitting issues in their builds.
Which should you buy?
Ultimately, the decision between the Gamma A40 ARGB BK CPU Cooler and the Thermalright SI-100 White ARGB CPU Air Cooler comes down to individual needs and preferences. If budget is your primary concern, the Gamma A40 offers a lower price point and a compact design that fits in various cases. However, if you prioritise a quieter operation, brand reputation, and a potentially more robust installation experience, the Thermalright SI-100 may be worth the extra investment. Both coolers deliver strong performance and compatibility, ensuring that either choice will enhance your CPU cooling capabilities effectively.
versusfinder.com is a participant in the Amazon.ca Associates Program. As an Amazon Associate we earn from qualifying purchases, at no extra cost to you.

