ARCTIC Freezer 36 - Single-Tower CPU Cooler with vs Thermalright Assassin X120 Refined SE CPU Air
Updated July 2026 — ARCTIC Freezer 36 - Single-Tower CPU Cooler with wins on width and height, Thermalright Assassin X120 Refined SE CPU Air wins on depth.
The ARCTIC Freezer 36 excels in cooling performance and innovative features, while the Thermalright Assassin X120 Refined SE offers great value at a lower price.
Why ARCTIC Freezer 36 - Single-Tower CPU Cooler with is better
Cooling Performance
ARCTIC Freezer 36 is optimized for high-end CPUs.
Installation Ease
Innovative click installation system for quick setup.
Fan Speed
Higher RPM range for better cooling flexibility.
Why Thermalright Assassin X120 Refined SE CPU Air is better
Price
Thermalright Assassin X120 is significantly cheaper.
Compatibility
Supports a wider range of CPU sockets.
Noise Level
Lower noise level at ≤25.6 dB(A).
Overall score
Specifications
| Spec | ARCTIC Freezer 36 - Single-Tower CPU Cooler with | Thermalright Assassin X120 Refined SE CPU Air |
|---|---|---|
| Max RPM | 1800 | 1550 |
| Airflow | N/A | 66.17 CFM |
| Noise Level | N/A | ≤25.6 dB(A) |
| Socket Support | LGA1851, LGA1700 | LGA 1150/1151/1155/1200/1700/1851, AM4/AM5 |
| Thermal Compound | MX-6 | N/A |
Dimension comparison
Overview of the ARCTIC Freezer 36 and Thermalright Assassin X120 Refined SE
The ARCTIC Freezer 36 and Thermalright Assassin X120 Refined SE are two prominent CPU coolers in the market, each with distinct features and pricing. The ARCTIC Freezer 36 is priced at $30.54, while the Thermalright Assassin X120 Refined SE is significantly cheaper, retailing at $17.90. This makes the Thermalright option about 41% less expensive than the ARCTIC model. Both coolers are designed for high performance and compatibility with various CPU sockets, making them suitable for different builds.
Design and Build Quality
In terms of design, the ARCTIC Freezer 36 boasts a single-tower configuration equipped with two pressure-optimized 120 mm fans, which enhances airflow and cooling efficiency. The innovative fan mounting system allows for easy installation and fan replacement. On the other hand, the Thermalright Assassin X120 Refined SE features a compact design with an aluminium heatsink cover and four heat pipes, designed for effective heat dissipation and ensuring a long service life of up to 20,000 hours. Both coolers are built with quality materials, but the ARCTIC's design places a strong emphasis on maximizing cooling performance through its dual-fan system.
Cooling Performance
When it comes to cooling performance, the ARCTIC Freezer 36 is engineered for high-end CPUs, featuring four offset heat pipes that facilitate rapid heat transfer. Its fans can operate between 200–1800 RPM, providing flexibility based on cooling needs. In contrast, the Thermalright Assassin X120 Refined SE employs a TL-C12C PWM fan that achieves a maximum speed of 1550 RPM, delivering a maximum airflow of 66.17 CFM. While both coolers are effective, the ARCTIC model is specifically tailored for high-performance scenarios, making it a better choice for users with demanding CPU requirements.
Noise Levels
Noise levels are a critical factor for many PC builders. The ARCTIC Freezer 36 is designed to minimize noise while maintaining cooling efficiency, although specific noise ratings are not provided. The Thermalright Assassin X120 Refined SE, however, offers a noise level of ≤25.6 dB(A), emphasizing quiet operation without compromising on performance. Users who prioritize a silent working environment might find the Thermalright model more appealing, particularly in builds where noise reduction is essential.
Compatibility
Both coolers support a wide range of CPU sockets, ensuring compatibility with many Intel and AMD processors. The ARCTIC Freezer 36 is compatible with Intel LGA1851 and LGA1700 sockets, while the Thermalright Assassin X120 Refined SE supports a broader array, including Intel’s LGA 1150/1151/1155/1200/1700/1851 and AMD's AM4/AM5 sockets. This extensive compatibility makes the Thermalright cooler more versatile for users who may switch between different platforms or upgrade their CPUs over time.
Installation Process
The installation process can significantly impact the overall user experience. The ARCTIC Freezer 36 features an innovative click installation system that simplifies the setup, allowing for easier installation and fan replacement. Meanwhile, the Thermalright Assassin X120 Refined SE utilizes metal fasteners for secure mounting, ensuring a stable fit on both Intel and AMD platforms. While both systems aim to make installation straightforward, the ARCTIC's user-friendly approach may appeal more to those who value quick and hassle-free setups.
Price Comparison
Price is an essential consideration for many buyers. The ARCTIC Freezer 36 is priced at $30.54, while the Thermalright Assassin X120 Refined SE is available for only $17.90. This price difference of $12.64 means that the Thermalright cooler is about 41% cheaper than the ARCTIC model, making it a more budget-friendly option for consumers who still desire effective cooling performance. However, potential buyers should weigh the features and performance benefits against the price to determine which cooler meets their specific needs.
Which should you buy?
Choosing between the ARCTIC Freezer 36 and the Thermalright Assassin X120 Refined SE ultimately depends on your specific requirements and budget. If you are looking for a cooler optimized for high-end CPUs with superior cooling performance and innovative installation features, the ARCTIC Freezer 36 is a strong contender. However, if you prioritize a lower price point and versatility in compatibility across various CPU sockets, the Thermalright Assassin X120 Refined SE offers excellent value. Both coolers have their strengths, so your decision should align with your individual needs and preferences in a CPU cooler.

