Cooler Master i70C ARGB Low Profile CPU Air Cooler vs Thermalright Assassin X120 Refined SE CPU Air
Updated July 2026 — Cooler Master i70C ARGB Low Profile CPU Air Cooler wins on depth, Thermalright Assassin X120 Refined SE CPU Air wins on tdp and height.
The Cooler Master i70C offers a stylish design and easy installation for Intel sockets, while the Thermalright Assassin X120 provides broader compatibility and quieter operation. Choose based on your specific needs.
Why Cooler Master i70C ARGB Low Profile CPU Air Cooler is better
Design
Cooler Master has a minimalist aesthetic.
Installation
Easier installation for Intel LGA 1700/1851.
Cooling
Higher TDP support at 95W.
Why Thermalright Assassin X120 Refined SE CPU Air is better
Price
Thermalright is cheaper at $17.90.
Compatibility
Supports more CPU sockets.
Noise
Quieter operation at 25.6 dB(A).
Overall score
Specifications
| Spec | Cooler Master i70C ARGB Low Profile CPU Air Cooler | Thermalright Assassin X120 Refined SE CPU Air |
|---|---|---|
| Fan Speed | 650-1800 RPM | 1550 RPM |
| Airflow | N/A | 66.17 CFM |
| Noise Level | N/A | 25.6 dB(A) |
| Socket Support | LGA 1700/1851 | LGA 1150/1151/1155/1200/1700/1851, AM4/AM5 |
| Material | Copper/Aluminum | Aluminum |
Dimension comparison
Introduction to CPU Coolers
In the world of computer hardware, CPU coolers play a crucial role in maintaining optimal temperatures for processors, ensuring performance and longevity. This article compares two notable products: the Cooler Master i70C ARGB Low Profile CPU Air Cooler and the Thermalright Assassin X120 Refined SE CPU Air Cooler. Both are designed for Intel sockets, but they come with distinct features and price points that cater to different users.
Pricing Comparison
When it comes to price, the Cooler Master i70C is listed at $19.49, while the Thermalright Assassin X120 is slightly cheaper at $17.90. This makes the Thermalright about 8% less expensive than the Cooler Master. Price can be a significant factor for budget-conscious consumers, and the difference of $1.59 may influence purchasing decisions, especially for those looking to maximize performance per dollar spent.
Design and Aesthetics
The Cooler Master i70C features an anodized black aluminum fin design that combines a minimalist aesthetic with practical functionality. Its compact size makes it ideal for low-profile chassis, appealing to users with space constraints. Conversely, the Thermalright Assassin X120 boasts a more robust design, equipped with four heat pipes and an aluminum heatsink cover. Although the Thermalright may appear bulkier, it offers a unique look and build quality that some users may prefer.
Cooling Performance
Cooling performance is critical to maintaining processor efficiency. The Cooler Master i70C supports a TDP of 95W, utilizing a copper insert for effective heat dissipation. Its dynamic PWM fan operates between 650 to 1,800 RPM, allowing users to balance noise and airflow according to their needs. In comparison, the Thermalright Assassin X120 is designed with four heat pipes that utilize AGHP technology, providing efficient cooling even in various orientations. This cooler supports a maximum fan speed of 1,550 RPM, delivering an airflow of 66.17 CFM while maintaining a noise level of 25.6 dB(A), which is notably quiet for such performance.
Compatibility
Compatibility is a crucial factor for CPU coolers. The Cooler Master i70C is specifically designed for Intel LGA 1700 and 1851 sockets, making it a great choice for users with these newer processors. The Thermalright Assassin X120, on the other hand, supports a wider range of sockets including Intel LGA 1150, 1151, 1155, 1200, 1700, and 1851, as well as AMD AM4 and AM5. This broader compatibility makes the Thermalright a versatile option for users with different CPU setups.
Installation Ease
Installation can often be a pain point for many DIY PC builders. The Cooler Master i70C features redesigned brackets that simplify the installation process on LGA 1700 and 1851 platforms. This user-friendly design can save time and reduce frustration during setup. In contrast, the Thermalright Assassin X120 also comes with metal fasteners for both Intel and AMD platforms, which are designed to ensure a secure and effective installation. While both products offer step-by-step installation assistance, the Cooler Master may have a slight edge for those specifically using the newer Intel sockets.
Noise Levels
When considering a CPU cooler, noise levels should not be overlooked. The Cooler Master i70C’s PWM fan operates efficiently, providing adjustable speeds from 650 to 1,800 RPM, which can be tuned for quieter operation or increased cooling performance as needed. Meanwhile, the Thermalright Assassin X120 maintains a maximum noise level of 25.6 dB(A) with its fan running at full speed. This low noise level is a significant advantage for users who prioritize quiet operation, especially in environments where silence is golden.
Brand Reputation
Both Cooler Master and Thermalright are well-respected brands in the PC cooling market. Cooler Master has been a staple in the industry for years, known for its innovative designs and reliable performance. Thermalright, with over 20 years of experience, has built a reputation for high-quality cooling solutions and has garnered a loyal customer base. The choice between the two may come down to personal preferences regarding brand loyalty and previous experiences.
Which should you buy?
Ultimately, the choice between the Cooler Master i70C and the Thermalright Assassin X120 comes down to specific needs and preferences. If you are looking for a compact cooler with a stylish design and easy installation specifically for Intel LGA 1700 and 1851 sockets, the Cooler Master i70C at $19.49 may be the right fit. However, if you seek a more versatile cooler with broader compatibility and slightly quieter operation for a price of $17.90, the Thermalright Assassin X120 could be the better option. Each cooler offers unique advantages, ensuring that users can find a product that meets their specific requirements.

