ARCTIC P12 Pro A-RGB - Powerful Premium Fan, vs Thermalright Assassin X 120R SE V2 CPU Cooler, 4×
Updated August 2026 — ARCTIC P12 Pro A-RGB - Powerful Premium Fan, wins on performance and cooling, Thermalright Assassin X 120R SE V2 CPU Cooler, 4× wins on compatibility.
The ARCTIC P12 Pro A-RGB offers superior RPM capabilities and quieter operation, while the Thermalright Assassin X 120R SE V2 provides robust cooling performance. Choose based on your specific needs.
Why ARCTIC P12 Pro A-RGB - Powerful Premium Fan, is better
Higher RPM
ARCTIC P12 Pro A-RGB can reach up to 3000 RPM
Lower Noise
ARCTIC fan designed for quieter operation
Custom RGB
ARCTIC offers customizable RGB lighting
Why Thermalright Assassin X 120R SE V2 CPU Cooler, 4× is better
Heat Pipes
Thermalright has 4 heat pipes for better heat dissipation
Compatibility
Thermalright supports more CPU sockets
Build Quality
Thermalright uses aluminum and copper for durability
Overall score
Specifications
| Spec | ARCTIC P12 Pro A-RGB - Powerful Premium Fan, | Thermalright Assassin X 120R SE V2 CPU Cooler, 4× |
|---|---|---|
| Max RPM | 3000 | 1550 |
| Airflow | N/A | 66.17 CFM |
| Noise Level | <5 dB | 25.6 dB |
| Bearing Type | Fluid Dynamic | S-FDB |
| RGB Lighting | Yes | No |
Dimension comparison
Introduction to the Products
In the realm of CPU cooling solutions, the ARCTIC P12 Pro A-RGB and the Thermalright Assassin X 120R SE V2 stand out as two formidable contenders. Priced at $13.49 and $16.59 respectively, both products offer distinct advantages for users seeking efficient cooling performance. This comparison will delve into their key features, design, performance, and overall value to help potential buyers make an informed decision.
Design and Build Quality
The ARCTIC P12 Pro A-RGB features a sleek design with a white finish that complements modern builds, while the Thermalright Assassin X 120R SE V2 boasts a more robust structure with a height of 148mm. The ARCTIC fan is equipped with fluid dynamic bearings that reduce noise and enhance longevity, making it an appealing option for quiet setups. In contrast, the Thermalright cooler utilizes a combination of aluminum and copper in its construction, featuring four heat pipes, which significantly contribute to its cooling performance. The choice between these designs ultimately depends on your aesthetics and spatial constraints.
Performance Metrics
When it comes to performance, the ARCTIC P12 Pro A-RGB excels with an impressive PWM range of 600 to 3000 RPM, allowing for precise speed adjustments based on cooling needs. This fan can completely stop at lower PWM levels, which can be a game-changer in noise-sensitive environments. On the other hand, the Thermalright Assassin X 120R SE V2 operates at a maximum speed of 1550 RPM, with an airflow of 66.17 CFM and a noise level of up to 25.6 dB(A). While the ARCTIC fan offers higher RPM capabilities, the Thermalright unit provides a balance of airflow and quiet operation, making both viable depending on individual needs.
Noise Levels
The ARCTIC P12 Pro A-RGB is designed for quiet operation, with a focus on minimizing vibrations and noise even at higher speeds. Its fluid dynamic bearing technology plays a significant role in achieving this low-noise output. Conversely, the Thermalright Assassin X 120R SE V2 claims a maximum noise level of 25.6 dB(A), which, while still relatively quiet, may be noticeable in a silent environment. Users prioritizing ultra-quiet performance may lean towards the ARCTIC fan, while those needing robust cooling might find the Thermalright's performance adequate.
Features and Technology
The ARCTIC P12 Pro A-RGB boasts advanced features such as a Y-cable splitter to facilitate easy connection and control of multiple fans. Its RGB lighting offers aesthetic customization options that many builders appreciate. On the other hand, the Thermalright Assassin X 120R SE V2 focuses more on functional features, like compatibility with various CPU sockets and an efficient heat dissipation system through its heat pipes. Buyers who value aesthetics might prefer the ARCTIC fan, whereas those seeking a versatile CPU cooler may favor the Thermalright option.
Installation and Compatibility
Installation can be a crucial factor when choosing a cooling solution. The ARCTIC P12 Pro A-RGB is a straightforward fan replacement, requiring minimal effort for installation. However, the Thermalright Assassin X 120R SE V2 comes with specific mounting plates for both Intel and AMD sockets, ensuring compatibility across various systems. Its dimensions, particularly the height of 148mm, may require consideration of case size. Users with tighter builds may find the ARCTIC fan easier to install due to its simpler design.
Price Comparison
The ARCTIC P12 Pro A-RGB is priced at $13.49, making it approximately 18% cheaper than the Thermalright Assassin X 120R SE V2, which retails for $16.59. This price difference could be significant for budget-conscious consumers. However, it is essential to consider the performance and features each product offers in relation to their costs. While the ARCTIC fan is less expensive, the Thermalright cooler may justify its higher price with additional cooling capabilities and features tailored for CPU cooling.
User Experience and Feedback
While specific sales ranks and user reviews are not provided, the features of both products indicate a focus on performance and user satisfaction. The ARCTIC P12 Pro A-RGB is designed to cater to users who appreciate customizable RGB lighting and quiet operation, while the Thermalright Assassin X 120R SE V2 is aimed at users seeking a robust cooling solution with proven technology. Ultimately, user experiences will vary based on individual setups and preferences, but both products are well-regarded in their respective niches.
Which should you buy?
Deciding between the ARCTIC P12 Pro A-RGB and the Thermalright Assassin X 120R SE V2 boils down to specific needs and preferences. If you're looking for a more budget-friendly option that offers high RPM capabilities and customizable aesthetics, the ARCTIC fan is an excellent choice. On the other hand, if you prioritize effective cooling solutions with proven performance and broader compatibility across CPU sockets, the Thermalright cooler may be the better investment. Consider your setup, cooling requirements, and aesthetic preferences when making your final decision.

