ARCTIC P12 Pro A-RGB - Powerful Premium Fan, vs Thermalright Assassin X 120R Digital ARGB Black
Updated August 2026 — ARCTIC P12 Pro A-RGB - Powerful Premium Fan, wins on rpm range and fan size, Thermalright Assassin X 120R Digital ARGB Black wins on height and width.
The ARCTIC P12 Pro A-RGB offers excellent performance at a lower price, while the Thermalright Assassin X 120R provides advanced cooling features. Overall, the ARCTIC fan is the better choice for budget-conscious users.
Why ARCTIC P12 Pro A-RGB - Powerful Premium Fan, is better
Price
ARCTIC is $10.41 cheaper
Performance
Higher RPM range (600-3000 RPM)
Noise
Quieter operation due to fluid dynamic bearing
Why Thermalright Assassin X 120R Digital ARGB Black is better
Cooling
Advanced heat pipe technology
Design
Digital screen for monitoring
Compatibility
Supports multiple CPU sockets
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 | Medium |
| Bearing Type | Fluid Dynamic | S-FDB |
| RGB Lighting | Yes | Yes |
| Heat Pipes | 0 | 4 |
Dimension comparison
Overview of the ARCTIC P12 Pro A-RGB and Thermalright Assassin X 120R
The ARCTIC P12 Pro A-RGB is a premium 120 mm PWM fan designed for high performance, while the Thermalright Assassin X 120R is a CPU air cooler that combines a robust design with effective cooling capabilities. At $12.49, the ARCTIC fan is significantly cheaper than the Thermalright cooler, which retails at $22.90, making the price difference about 84%. Each product serves distinct purposes in the cooling ecosystem, appealing to different user needs and preferences.
Performance and Cooling Efficiency
In terms of performance, the ARCTIC P12 Pro A-RGB operates at a speed range of 600-3000 RPM, allowing for precise PWM control that can adapt to varying cooling demands. The fan's high static pressure ensures effective airflow, making it suitable for cooling through dense radiators and mesh structures. Conversely, the Thermalright Assassin X 120R features a fan speed of 2000 RPM and incorporates advanced AGHP heat pipe technology for effective heat dissipation. The combination of four heat pipes enhances its cooling performance, which is crucial for maintaining optimal CPU temperatures during intensive tasks.
Noise Levels and Acoustic Performance
The ARCTIC P12 Pro A-RGB is engineered for quiet operation, thanks to its fluid dynamic bearing, which minimizes noise while still providing efficient cooling. The minimal gaps and high-precision manufacturing contribute to reduced vibrations. In contrast, the Thermalright Assassin X 120R also prioritizes quiet performance with silicone corner pads designed to dampen noise. However, its higher RPM may lead to slightly increased noise levels compared to the ARCTIC fan, especially under load. Users sensitive to noise may prefer the quieter operation of the ARCTIC fan.
Design and Aesthetics
The design of both products reflects their intended use. The ARCTIC P12 Pro A-RGB features a sleek black finish and comes with digital RGB lighting, allowing for customization and synchronization with other RGB components. Its streamlined design not only enhances aesthetics but also optimizes airflow. On the other hand, the Thermalright Assassin X 120R boasts a digital screen on its top cover, which adds a modern touch and functionality. This cooler's overall height of 151 mm ensures compatibility with most cases, making it an attractive option for users focused on both aesthetics and practicality.
Installation and Compatibility
When it comes to installation, the ARCTIC P12 Pro A-RGB is straightforward, designed to fit into standard 120 mm fan mounts. Its Y-cable splitter allows for easy connectivity, making it user-friendly for those looking to enhance their cooling setup. The Thermalright Assassin X 120R, while more complex due to its CPU cooler nature, offers compatibility with multiple socket types including AM4, AM5, and Intel LGA1700/1150/1151/1200. This flexibility makes it a versatile choice for various builds. However, the installation process may require more time and effort compared to simply adding a fan.
Build Quality and Durability
Both the ARCTIC P12 Pro A-RGB and Thermalright Assassin X 120R are built with quality materials aimed at longevity. The ARCTIC fan utilizes a fluid dynamic bearing that not only enhances performance but also extends its lifespan. In contrast, the Thermalright cooler features an industrial-grade PBT+PC material, combined with a high-quality S-FDB bearing that addresses issues like fan blade shaking. Both products are designed to withstand extended use, but users may lean towards the Thermalright cooler for its robust build tailored for demanding cooling tasks.
Price Comparison and Value
The ARCTIC P12 Pro A-RGB is priced at $12.49, making it an economical choice for users looking to enhance their cooling without breaking the bank. In comparison, the Thermalright Assassin X 120R is priced at $22.90, which is about 84% more expensive than the ARCTIC fan. While the higher price of the Thermalright cooler reflects its additional features and capabilities, budget-conscious users may find the ARCTIC fan provides excellent value for straightforward cooling needs.
Which should you buy?
Choosing between the ARCTIC P12 Pro A-RGB and the Thermalright Assassin X 120R ultimately depends on your specific needs. If you're looking for a high-performance fan that offers excellent airflow, is budget-friendly, and has customizable RGB features, the ARCTIC P12 Pro A-RGB is the way to go. However, if you're in need of a complete CPU cooling solution with advanced features, higher heat dissipation capabilities, and don’t mind spending a bit more, the Thermalright Assassin X 120R is an excellent choice. Each product excels in its category, catering to different users and their unique requirements.

