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ARCTIC P12 Pro A-RGB - Powerful Premium Fan, vs Thermalright Assassin X120 Refined SE CPU Air

Updated July 2026 — ARCTIC P12 Pro A-RGB - Powerful Premium Fan, wins on rpm max, Thermalright Assassin X120 Refined SE CPU Air wins on height and noise level.

The ARCTIC P12 Pro A-RGB offers superior airflow and quieter operation at a lower price, making it a better choice for fans. However, the Thermalright Assassin X120 Refined SE provides robust CPU cooling capabilities.

Why ARCTIC P12 Pro A-RGB - Powerful Premium Fan, is better

Price

ARCTIC is $4.41 cheaper

Airflow

ARCTIC has a max speed of 3000 RPM

Noise Level

ARCTIC is designed for quieter operation

Why Thermalright Assassin X120 Refined SE CPU Air is better

Cooling Efficiency

Thermalright has 4 heat pipes

Compatibility

Thermalright supports multiple CPU sockets

Build Quality

Thermalright features an aluminum heatsink cover

Overall score

ARCTIC P12 Pro A-RGB - Powerful Premium Fan,
85
Thermalright Assassin X120 Refined SE CPU Air
78

Specifications

SpecARCTIC P12 Pro A-RGB - Powerful Premium Fan,Thermalright Assassin X120 Refined SE CPU Air
Price$13.49$17.90
Max RPM30001550
AirflowHighMedium
Noise LevelLowMedium
CompatibilityFanCPU Cooler

Dimension comparison

ARCTIC P12 Pro A-RGB - Powerful Premium Fan,Thermalright Assassin X120 Refined SE CPU Air

Overview of the ARCTIC P12 Pro A-RGB and Thermalright Assassin X120 Refined SE

The ARCTIC P12 Pro A-RGB is priced at $13.49, while the Thermalright Assassin X120 Refined SE is available for $17.90, making the ARCTIC about 25% cheaper. These two products are designed for distinct cooling solutions—one being a high-performance fan and the other a comprehensive CPU air cooler. Both products cater to different aspects of cooling within a PC build, appealing to users based on their specific needs and preferences.

Design and Build Quality

The ARCTIC P12 Pro A-RGB features a sleek white design with a focus on aesthetics and performance. It is a 120 mm PWM fan equipped with fluid dynamic bearings, ensuring low noise levels during operation. In contrast, the Thermalright Assassin X120 Refined SE showcases a robust aluminium heatsink cover and incorporates 4 heat pipes, enhancing its cooling efficiency. While both products are well-designed, the ARCTIC emphasizes style with its A-RGB lighting, whereas the Thermalright prioritizes functional robustness and compatibility with various CPU sockets.

Performance Capabilities

When it comes to performance, the ARCTIC P12 Pro A-RGB operates at a speed range of 600 to 3000 RPM, providing high static pressure that penetrates dense radiators and mesh structures effectively. This makes it ideal for users seeking efficient airflow. The Thermalright Assassin X120, on the other hand, uses a TL-C12C PWM fan with a maximum speed of 1550 RPM. While it offers a solid airflow of 66.17 CFM, it falls short of the ARCTIC’s maximum RPM capabilities. Users prioritizing maximum airflow and cooling performance might prefer the ARCTIC fan.

Noise Levels

The ARCTIC P12 Pro A-RGB is designed for quiet operation, with self-lubricating fluid dynamic bearings minimizing noise. The specific noise level is not quantified, but the design aims for efficiency and silence. Meanwhile, the Thermalright Assassin X120 has a maximum noise level of ≤25.6 dB(A). The ARCTIC fan’s capability to completely stop at less than 5% PWM further enhances its potential for quiet operation. For users sensitive to noise, the ARCTIC might be the more suitable option.

Installation and Compatibility

The ARCTIC P12 Pro A-RGB is straightforward to install, featuring a 4-pin PWM connection and a Y-cable splitter for easy integration into existing setups. It is versatile enough for various applications, though it primarily serves as a fan. In contrast, the Thermalright Assassin X120 Refined SE is specifically designed to support a wide range of CPU sockets, including AMD AM4/AM5 and Intel LGA 1150/1151/1155/1200/1700/1851. This makes it an excellent choice for users looking for a dedicated CPU cooler that ensures compatibility across different platforms.

Cooling Efficiency

The ARCTIC P12 Pro A-RGB excels in generating airflow efficiently, making it particularly effective for cases with restricted airflow or dense radiator setups. The unique blade design enhances performance at low speeds, catering to various cooling demands. The Thermalright Assassin X120, with its AGHP technology and 4 heat pipes, is engineered to combat inverse gravity effects and ensure reliable cooling performance over time. Users looking for sustained cooling under load may find the Thermalright's design advantageous for heavy CPU workloads.

Brand Reputation and Customer Trust

ARCTIC is known for its focus on cooling solutions and has built a reputation for producing reliable, high-performance products. Meanwhile, Thermalright boasts over 20 years in the industry, with a strong presence in the domestic and foreign markets. Both brands have garnered trust among PC enthusiasts, but Thermalright’s longer history may appeal more to users prioritizing brand legacy and customer support.

Price Comparison

With a price of $13.49 for the ARCTIC P12 Pro A-RGB and $17.90 for the Thermalright Assassin X120 Refined SE, the ARCTIC fan is approximately 25% less expensive. This price difference may influence budget-conscious consumers or those looking for cost-effective cooling solutions. However, the additional features and cooling capabilities of the Thermalright may justify its higher price for users requiring a more robust CPU cooling solution.

Which should you buy?

Ultimately, the choice between the ARCTIC P12 Pro A-RGB and the Thermalright Assassin X120 Refined SE depends on your specific needs. If you are looking for a stylish, high-performance fan with versatile applications, the ARCTIC P12 Pro A-RGB is an excellent choice at a lower price point. Conversely, if you require a dedicated CPU cooler with extensive compatibility and enhanced cooling capabilities, the Thermalright Assassin X120 Refined SE may be worth the additional investment. Consider your cooling needs and budget to make the best decision for your PC setup.