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

Updated August 2026 — ARCTIC P12 Pro A-RGB - Powerful Premium Fan, wins on noise level, Thermalright Peerless Assassin 120 Black CPU Air wins on compatibility and performance.

The ARCTIC P12 Pro A-RGB is an excellent budget fan with great aesthetics, while the Thermalright Peerless Assassin 120 Black excels in CPU cooling performance. Choose based on your cooling needs.

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

Price

ARCTIC P12 Pro A-RGB is significantly cheaper.

Noise

ARCTIC P12 Pro A-RGB operates quieter.

Aesthetics

ARCTIC P12 Pro A-RGB has RGB lighting.

Why Thermalright Peerless Assassin 120 Black CPU Air is better

Cooling

Thermalright Peerless Assassin 120 Black has superior heat dissipation.

Build Quality

Thermalright Peerless Assassin 120 Black features a dual tower design.

Compatibility

Thermalright Peerless Assassin 120 Black supports more CPU sockets.

Overall score

ARCTIC P12 Pro A-RGB - Powerful Premium Fan,
75
Thermalright Peerless Assassin 120 Black CPU Air
88

Specifications

SpecARCTIC P12 Pro A-RGB - Powerful Premium Fan,Thermalright Peerless Assassin 120 Black CPU Air
Price$12.49$38.90
AirflowN/A66.17 CFM
Noise LevelQuiet≤25.6 dB(A)
Heat PipesN/A6
RGB LightingYesNo

Dimension comparison

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

Overview of the ARCTIC P12 Pro A-RGB and Thermalright Peerless Assassin 120 Black

The ARCTIC P12 Pro A-RGB is a powerful premium fan designed for optimal airflow and cooling efficiency, while the Thermalright Peerless Assassin 120 Black is a robust CPU air cooler that promises superior heat dissipation. The P12 Pro A-RGB is priced at $12.49, making it an economical choice for users seeking to enhance cooling with a single fan. In contrast, the Peerless Assassin 120 Black comes at a higher price of $38.90, reflecting its dual tower design and advanced cooling technology, which may be more suitable for users with demanding cooling needs.

Cooling Performance Comparison

When it comes to cooling performance, the Thermalright Peerless Assassin 120 Black stands out with its dual tower design and six heat pipes, which facilitate exceptional heat dissipation. This cooler is optimized for a total thermal design power (TDP) of 245W, making it capable of handling high-performance CPUs effectively. On the other hand, the ARCTIC P12 Pro A-RGB, while a powerful fan, operates at a maximum speed of 3000 RPM and focuses on generating high static pressure, making it effective for cooling radiators and dense structures. However, it may not match the overall cooling capacity of the Peerless Assassin when it comes to CPU cooling in demanding scenarios.

Build Quality and Design

The build quality of the Thermalright Peerless Assassin 120 Black is impressive, featuring an aluminum heatsink cover and a dual tower design that not only looks sleek but also enhances its cooling efficiency. The use of a high-quality aluminum material contributes to effective heat dissipation, while the offset asymmetric layout allows for better compatibility with graphics cards. In comparison, the ARCTIC P12 Pro A-RGB incorporates a smooth-running fluid dynamic bearing and a redesigned fan blade design that balances performance and noise levels. Its A-RGB lighting adds a visual appeal, yet it is primarily focused on airflow rather than structural complexity.

Noise Levels

For users concerned about noise, the ARCTIC P12 Pro A-RGB operates quietly, featuring a self-lubricating bearing that minimizes operational noise. This fan is designed to run efficiently at lower speeds, making it ideal for silent builds. In contrast, the Thermalright Peerless Assassin 120 Black, with its dual fans, operates at a maximum noise level of 25.6 dB(A). While this is relatively quiet for a cooler of its size, users might notice more sound under load compared to the single fan setup of the P12 Pro.

Installation and Compatibility

The installation process for both products is straightforward, but the Thermalright Peerless Assassin 120 Black offers a more comprehensive compatibility range. It supports multiple socket types for both Intel and AMD platforms, ensuring versatility for various builds. Meanwhile, the ARCTIC P12 Pro A-RGB is a fan and does not require complex mounting systems but is meant to be paired with existing coolers or radiators. This makes the P12 Pro easier to install for users looking for a simple upgrade without changing their entire cooling solution.

Price and Value

The ARCTIC P12 Pro A-RGB is priced at $12.49, making it about 68% cheaper than the Thermalright Peerless Assassin 120 Black, which retails for $38.90. This significant price difference makes the P12 Pro an attractive option for budget-conscious users who still want effective cooling without breaking the bank. However, the higher price of the Peerless Assassin can be justified by its advanced cooling capabilities and dual fan design, offering more robust performance for users needing higher thermal management.

Aesthetic Appeal

In terms of aesthetic design, the ARCTIC P12 Pro A-RGB features vibrant 5V digital RGB lighting, allowing users to customize their builds with colorful lighting effects. This makes it a popular choice for gamers and PC enthusiasts who prioritize visual flair in their setups. On the other hand, while the Thermalright Peerless Assassin 120 Black has a sleek, understated design with its black painted surface, it lacks RGB features. Users seeking a more classic look may prefer the Peerless Assassin, but those wanting a lively RGB experience will favor the P12 Pro.

Which should you buy?

Choosing between the ARCTIC P12 Pro A-RGB and the Thermalright Peerless Assassin 120 Black ultimately depends on your specific needs. If you are looking for an affordable fan that offers excellent airflow and aesthetic appeal, the ARCTIC P12 Pro A-RGB is a fantastic choice. However, for users requiring robust CPU cooling performance, especially for high-end processors, the Thermalright Peerless Assassin 120 Black, despite its higher price, offers superior heat management and compatibility. Consider your performance requirements and budget when making your decision.