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ARCTIC P12 Pro A-RGB - Powerful Premium Fan, vs Thermalright Peerless Assassin 120 SE V3 CPU Air

Updated August 2026 — ARCTIC P12 Pro A-RGB - Powerful Premium Fan, wins on noise level and fan speed, Thermalright Peerless Assassin 120 SE V3 CPU Air wins on compatibility and weight.

The ARCTIC P12 Pro A-RGB is an excellent choice for those seeking a stylish and quiet fan, while the Thermalright Peerless Assassin 120 SE V3 offers superior cooling performance for demanding setups.

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

Price

ARCTIC P12 Pro A-RGB is significantly cheaper.

Aesthetics

ARCTIC P12 Pro A-RGB features RGB lighting.

Noise Levels

ARCTIC P12 Pro A-RGB operates quieter.

Why Thermalright Peerless Assassin 120 SE V3 CPU Air is better

Cooling Performance

Thermalright Peerless Assassin 120 SE V3 has dual fans.

Heat Dissipation

Thermalright Peerless Assassin 120 SE V3 uses advanced heat pipe technology.

Compatibility

Thermalright Peerless Assassin 120 SE V3 supports more CPU sockets.

Overall score

ARCTIC P12 Pro A-RGB - Powerful Premium Fan,
75
Thermalright Peerless Assassin 120 SE V3 CPU Air
85

Specifications

SpecARCTIC P12 Pro A-RGB - Powerful Premium Fan,Thermalright Peerless Assassin 120 SE V3 CPU Air
Fan TypePWM FanDual PWM Fans
Max RPM3000 RPM2000 RPM
Heat PipesN/A6 Heat Pipes
MaterialPlasticAluminium
RGB LightingYesNo

Dimension comparison

ARCTIC P12 Pro A-RGB - Powerful Premium Fan,Thermalright Peerless Assassin 120 SE V3 CPU Air

Introduction to the Products

In the realm of CPU cooling solutions, the ARCTIC P12 Pro A-RGB and the Thermalright Peerless Assassin 120 SE V3 offer distinct advantages tailored to different user needs. The ARCTIC P12 Pro A-RGB is a high-performance fan designed for optimal airflow, while the Thermalright Peerless Assassin 120 SE V3 is a comprehensive air cooler featuring dual fans and advanced heat pipe technology. Understanding their differences can help you choose the right product for your system.

Design and Build Quality

The ARCTIC P12 Pro A-RGB showcases a sleek and modern design with its white finish and A-RGB lighting, making it visually appealing for gamers and PC builders who value aesthetics. It features a fluid dynamic bearing that minimizes noise and enhances durability. In contrast, the Thermalright Peerless Assassin 120 SE V3 is built with a robust aluminium heatsink and six heat pipes, providing excellent heat dissipation. Its dual-tower structure is complemented by dual PWM fans, ensuring efficient cooling under load. Both products emphasize quality, but the choice depends on whether you prioritize aesthetics or robust cooling performance.

Cooling Performance

When it comes to cooling efficiency, the Thermalright Peerless Assassin 120 SE V3 has the edge, thanks to its dual fans and advanced AGHP heat pipe technology. The cooler can reach fan speeds of up to 2000 RPM, delivering substantial airflow. The ARCTIC P12 Pro A-RGB, while capable of reaching speeds up to 3000 RPM, is primarily designed to work well in conjunction with other cooling solutions, such as radiators. Thus, if you’re seeking maximum cooling performance for high-load scenarios, the Peerless Assassin might be the better choice.

Noise Levels

The ARCTIC P12 Pro A-RGB operates quietly, making it an ideal option for users who prefer a silent setup. Its fluid dynamic bearing contributes to low noise levels, with minimal vibrations even at high speeds. The Thermalright Peerless Assassin 120 SE V3 operates at a maximum noise level of 29.8 dB(A), which, while still relatively quiet, may be noticeable in a very quiet environment. If noise is a significant concern for your build, the ARCTIC fan may be the more suitable option.

Installation and Compatibility

Both products are designed for easy installation, but they cater to different needs. The ARCTIC P12 Pro A-RGB connects via a 4-pin PWM connection and is versatile enough to be used in various setups, including as part of an AIO liquid cooler or as a case fan. The Thermalright Peerless Assassin 120 SE V3, on the other hand, comes with mounting accessories compatible with a wide range of CPU sockets, including Intel and AMD platforms. If you need a straightforward installation with broad compatibility, the Thermalright cooler excels in this area.

Price Comparison

The pricing for the ARCTIC P12 Pro A-RGB is set at $13.49, making it an economically viable option for those looking to enhance their cooling without breaking the bank. In contrast, the Thermalright Peerless Assassin 120 SE V3 is priced at $35.90, which is about 167% more expensive than the ARCTIC fan. This price difference reflects the additional features and capabilities offered by the Peerless Assassin, but if you're on a budget, the ARCTIC P12 Pro A-RGB delivers great value.

Target Audience

The ARCTIC P12 Pro A-RGB is aimed at gamers and PC builders who want a stylish yet high-performing fan, especially those looking to add RGB lighting to their builds. The Thermalright Peerless Assassin 120 SE V3 targets users who need a more robust cooling solution for high-performance CPUs, particularly in overclocking scenarios. Understanding your specific needs will help determine which product aligns with your goals.

Which should you buy?

Choosing between the ARCTIC P12 Pro A-RGB and the Thermalright Peerless Assassin 120 SE V3 ultimately depends on your requirements. If you need a visually appealing fan that offers quiet operation and good airflow for lower-demand scenarios, the ARCTIC P12 Pro A-RGB is an excellent choice at $13.49. However, for users demanding superior cooling performance and compatibility with a wide range of CPUs, the Thermalright Peerless Assassin 120 SE V3 is worth the investment at $35.90. Each product has its strengths, making the decision rooted in your specific cooling needs and budget constraints.