ARCTIC P12 Pro A-RGB - Powerful Premium Fan, vs Thermalright Assassin X 120R Digital ARGB Black
Updated August 2026 — Thermalright Assassin X 120R Digital ARGB Black leads on compatibility and noise level.
The ARCTIC P12 Pro A-RGB offers excellent performance at a lower price, while the Thermalright Assassin X 120R provides advanced features and cooling capabilities. Choose based on your budget and needs.
Why ARCTIC P12 Pro A-RGB - Powerful Premium Fan, is better
Price
ARCTIC is significantly cheaper at $13.49
Noise
ARCTIC operates quieter at low RPM
Speed Range
ARCTIC has a wider speed range up to 3000 RPM
Why Thermalright Assassin X 120R Digital ARGB Black is better
Cooling Efficiency
Thermalright has a more robust heat dissipation design
Digital Features
Thermalright includes a digital screen for monitoring
Build Quality
Thermalright uses aluminum fins for better durability
Overall score
Specifications
| Spec | ARCTIC P12 Pro A-RGB - Powerful Premium Fan, | Thermalright Assassin X 120R Digital ARGB Black |
|---|---|---|
| Max RPM | 3000 | 2000 |
| Static Pressure | High | Moderate |
| RGB Lighting | Yes | Yes |
| PWM Control | Yes | Yes |
| Compatibility | Universal | Intel/AMD |
Dimension comparison
Overview of the ARCTIC P12 Pro A-RGB and Thermalright Assassin X 120R
The ARCTIC P12 Pro A-RGB is priced at $13.49, making it a budget-friendly option for those looking for a powerful fan. In contrast, the Thermalright Assassin X 120R is available for $24.90, which is about 84% more than the ARCTIC fan. While the ARCTIC focuses on high static pressure and versatility, the Thermalright offers a comprehensive cooling solution with digital monitoring features.
Performance Comparison
The ARCTIC P12 Pro A-RGB features a wide speed range, operating between 600 to 3000 RPM, which allows for precise cooling tailored to different needs. This fan is designed for high static pressure, making it effective for dense radiators and mesh structures. Conversely, the Thermalright Assassin X 120R operates at a maximum fan speed of 2000 RPM, which, while still effective, offers less flexibility in terms of speed compared to the ARCTIC. The ARCTIC's ability to completely stop at less than 5% PWM also provides a quieter operation during low-demand scenarios, enhancing its versatility.
Design and Aesthetics
Aesthetically, the ARCTIC P12 Pro A-RGB offers a sleek white design complemented by digital RGB lighting, which can enhance the visual appeal of any build. On the other hand, the Thermalright Assassin X 120R features a digital screen top cover, allowing users to monitor CPU temperature and usage in real time, a unique feature not found in the ARCTIC fan. This combination of functionality and modern aesthetics may appeal to users looking for both performance and style in their CPU cooling solution.
Noise Levels
When it comes to noise levels, the ARCTIC P12 Pro A-RGB is engineered with a smooth-running fluid dynamic bearing that minimizes noise during operation, making it an ideal choice for users prioritizing a quiet environment. The Thermalright Assassin X 120R operates with a maximum noise level of 29.8 dB, which is acceptable for most users but might be noticeable in particularly quiet setups. The ARCTIC's design emphasizes low noise even at high RPM, providing a potential advantage for noise-sensitive users.
Installation and Compatibility
The ARCTIC P12 Pro A-RGB is designed to be user-friendly and can be integrated easily into various systems. It utilizes a 4-pin PWM connection, ensuring compatibility with most motherboards. The Thermalright Assassin X 120R, while also compatible with a wide range of Intel and AMD sockets, requires specific installation steps for AMD platforms that involve using the motherboard's original backplate. This may add a layer of complexity for users unfamiliar with CPU cooler installations.
Heat Dissipation Efficiency
The ARCTIC P12 Pro A-RGB excels in heat dissipation thanks to its efficient airflow capabilities and high static pressure rating, making it suitable for high-performance cooling scenarios. However, the Thermalright Assassin X 120R offers a comprehensive solution with its 4 heat pipes and a single tower design, which enhances its overall heat dissipation effectiveness. While both products excel in cooling, the Thermalright's design specifically targets CPU cooling with a more robust infrastructure.
User Reviews and Popularity
While there are no specific sales rankings provided for either product, the ARCTIC P12 Pro A-RGB's lower price point may attract more budget-conscious consumers. The Thermalright Assassin X 120R, with its advanced features like a digital screen, may appeal to enthusiasts looking for more than just basic cooling. User preferences will likely vary based on specific needs, but both products have their strengths that cater to different market segments.
Which should you buy?
Ultimately, your choice between the ARCTIC P12 Pro A-RGB and the Thermalright Assassin X 120R will depend on your specific cooling needs and budget. The ARCTIC P12 Pro A-RGB, at $13.49, offers exceptional performance for its price, making it a great choice for those looking for a reliable and quiet fan. In contrast, the Thermalright Assassin X 120R, priced at $24.90, provides advanced cooling capabilities along with real-time monitoring features that may justify the higher cost for users looking for a more sophisticated cooling solution.

