ARCTIC P12 Pro A-RGB - Powerful Premium Fan, vs Thermalright Peerless Assassin 120 SE CPU Cooler,
Updated August 2026 — ARCTIC P12 Pro A-RGB - Powerful Premium Fan, wins on aesthetics, Thermalright Peerless Assassin 120 SE CPU Cooler, wins on compatibility and build quality.
The ARCTIC P12 Pro A-RGB is a budget-friendly fan with excellent performance, while the Thermalright Peerless Assassin 120 SE offers superior CPU cooling capabilities. Choose based on your specific needs.
Why ARCTIC P12 Pro A-RGB - Powerful Premium Fan, is better
Price
ARCTIC fan is significantly cheaper.
Aesthetics
ARCTIC fan features RGB lighting.
Speed Range
ARCTIC fan has a higher RPM range.
Why Thermalright Peerless Assassin 120 SE CPU Cooler, is better
Cooling Performance
Thermalright cooler has dual fans and heat pipes.
Compatibility
Thermalright supports multiple CPU sockets.
Build Quality
Thermalright has a robust aluminum construction.
Overall score
Specifications
| Spec | ARCTIC P12 Pro A-RGB - Powerful Premium Fan, | Thermalright Peerless Assassin 120 SE CPU Cooler, |
|---|---|---|
| Max RPM | 3000 | 1550 |
| Noise Level | ≤25 dB(A) | ≤25.6 dB(A) |
| Airflow | N/A | 66.17 CFM |
| PWM Control | Yes | Yes |
| RGB Lighting | Yes | No |
Dimension comparison
Overview of the Products
When comparing the ARCTIC P12 Pro A-RGB and the Thermalright Peerless Assassin 120 SE CPU Cooler, it's essential to note their distinct purposes. The ARCTIC P12 Pro A-RGB is primarily a high-performance fan designed for cooling efficiency, while the Thermalright Peerless Assassin 120 SE is a CPU cooler that integrates two fans and heat pipes to manage CPU temperature. The ARCTIC fan is priced at $13.49, making it an accessible option for enhancing airflow, while the Thermalright cooler comes in at $49.99, reflecting its more complex design and cooling capabilities.
Cooling Performance
The cooling performance of each product differs significantly due to their design and intended use. The ARCTIC P12 Pro A-RGB fan operates at a speed range of 600 to 3000 RPM, excelling in creating high static pressure that penetrates dense radiators and mesh structures. Its ability to stop completely at less than 5% PWM ensures silent operation during low-demand situations. On the other hand, the Thermalright Peerless Assassin 120 SE features dual 120mm PWM fans with a maximum speed of 1550 RPM. While it may not reach the peak RPM of the ARCTIC fan, the combination of six heat pipes and a dual-fan setup contributes to strong cooling performance, particularly for maintaining optimal CPU temperatures.
Design and Aesthetics
Design plays a crucial role in both products, though they cater to different preferences. The ARCTIC P12 Pro A-RGB fan comes in a sleek white finish with digital RGB lighting, appealing to users who prioritize aesthetics in their builds. Its fan blade design promotes low noise and high performance. In contrast, the Thermalright Peerless Assassin 120 SE features a more utilitarian design, focusing on functionality over flair. With an aluminum heat sink and metal fasteners, it emphasizes robust construction intended for effective cooling, especially for gamers and system builders who prioritize performance over visual appeal.
Installation and Compatibility
Installation ease and compatibility are vital factors when choosing between these products. The ARCTIC P12 Pro A-RGB is a straightforward fan that can be easily integrated into most cases with a 120mm fan mount. It utilizes a 4-pin PWM connection, ensuring broad compatibility across various systems. On the other hand, the Thermalright Peerless Assassin 120 SE comes with specific mounting hardware for Intel and AMD sockets, including support for AM4 and AM5 platforms. While this cooler offers superior cooling capabilities, potential buyers must ensure their case and motherboard can accommodate its dimensions, which may complicate installation for some users.
Noise Levels
Noise levels are an essential consideration for users who prefer a quiet operating environment. The ARCTIC P12 Pro A-RGB fan is designed with minimal vibrations and features a fluid dynamic bearing that reduces noise during operation. It effectively balances performance and quietness, especially at lower speeds. Conversely, the Thermalright Peerless Assassin 120 SE operates at a maximum noise level of 25.6 dB(A). Although this is relatively quiet for a CPU cooler, it may still be noticeable in a silent setup. Users seeking whisper-quiet operation may prefer the ARCTIC fan, particularly in scenarios where noise is a crucial factor.
Brand Reputation
Brand reputation can influence purchasing decisions, and both ARCTIC and Thermalright have established their names in the cooling solutions market. ARCTIC is known for its innovation in efficient and cost-effective cooling solutions, focusing on delivering high-performance products at competitive prices. Meanwhile, Thermalright has garnered a reputation for producing reliable and effective CPU coolers, especially among enthusiasts and gamers. Their products often reflect years of research and development, appealing to users who prioritize performance and reliability.
Price Comparison
Price is a significant deciding factor for many consumers. The ARCTIC P12 Pro A-RGB is priced at $13.49, making it an attractive option for those looking to enhance their cooling without breaking the bank. In contrast, the Thermalright Peerless Assassin 120 SE is priced at $49.99, which is about 270% more expensive than the ARCTIC fan. This higher price reflects its advanced cooling capabilities and dual-fan setup, making it a worthwhile investment for users with higher demands for CPU cooling performance.
Which should you buy?
Choosing between the ARCTIC P12 Pro A-RGB and the Thermalright Peerless Assassin 120 SE ultimately depends on your specific needs. If you're looking for an efficient fan that adds aesthetic flair and is budget-friendly, the ARCTIC P12 Pro A-RGB is the way to go. However, if you need a robust cooling solution for a high-performance CPU and are willing to invest more, the Thermalright Peerless Assassin 120 SE offers superior cooling performance with its dual-fan design and heat pipe technology. Consider your system requirements, budget, and aesthetic preferences before making a decision.

