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ARCTIC P12 Pro PST - 5 Pack - Powerful Premium Fan vs Thermalright Peerless Assassin 120 SE ARGB CPU Air Cooler

Updated August 2026The ARCTIC P12 Pro offers superior airflow and static pressure, making it ideal for performance-focused builds, while the Thermalright Peerless Assassin provides good cooling at a lower price with aesthetic appeal.

The ARCTIC P12 Pro offers superior airflow and static pressure, making it ideal for performance-focused builds, while the Thermalright Peerless Assassin provides good cooling at a lower price with aesthetic appeal.

Why ARCTIC P12 Pro PST - 5 Pack - Powerful Premium Fan is better

Cooling Performance

ARCTIC P12 Pro has higher static pressure and maximum speed.

Noise Levels

ARCTIC P12 Pro is designed for quieter operation.

Versatility

ARCTIC P12 Pro can be used in various configurations without socket limitations.

Why Thermalright Peerless Assassin 120 SE ARGB CPU Air Cooler is better

Price

Thermalright Peerless Assassin is cheaper.

Aesthetic Appeal

Thermalright features ARGB lighting.

Compatibility

Thermalright supports a wider range of CPU sockets.

Overall score

ARCTIC P12 Pro PST - 5 Pack - Powerful Premium Fan
85
Thermalright Peerless Assassin 120 SE ARGB CPU Air Cooler
75

Specifications

SpecARCTIC P12 Pro PST - 5 Pack - Powerful Premium FanThermalright Peerless Assassin 120 SE ARGB CPU Air Cooler
BrandARCTICThermalright
Price£38.98£28.79
Fan TypePWM FanPWM Fan
Socket SupportN/AIntel/AMD
LightingNoARGB

Dimension comparison

ARCTIC P12 Pro PST - 5 Pack - Powerful Premium FanThermalright Peerless Assassin 120 SE ARGB CPU Air Cooler

Introduction to the Comparison

In the realm of cooling solutions, both the ARCTIC P12 Pro PST - 5 Pack and the Thermalright Peerless Assassin 120 SE ARGB CPU Air Cooler stand out as prominent options. While the ARCTIC P12 Pro is priced at £38.98 for a pack of five fans, the Thermalright cooler offers a competitive price of £28.79. This article will explore their features, performance, and overall value to help you determine which product best suits your needs.

Design and Build Quality

The design and build quality of a cooling solution play a vital role in its performance and longevity. The ARCTIC P12 Pro features a new fan blade design that optimises airflow while minimising noise, making it particularly effective at low speeds. Its precise manufacturing methods ensure minimal gaps and vibrations, contributing to a smooth running experience. In contrast, the Thermalright Peerless Assassin boasts a double tower cooling design equipped with six heat pipes and a pure copper base, which enhances its thermal performance. The aesthetic appeal of the ARGB lighting on the Thermalright cooler adds a vibrant touch, while the ARCTIC fans focus on functional design, prioritising performance and reliability.

Cooling Performance

Cooling performance is perhaps the most critical aspect for users looking to enhance their systems. The ARCTIC P12 Pro excels in static pressure, generating efficient airflow capable of penetrating dense radiators and mesh structures, ensuring reliable cooling even under challenging conditions. It operates at speeds of up to 3000 rpm, allowing for a versatile range of cooling applications. The Thermalright Peerless Assassin, while having a lower maximum fan speed of 1500 rpm, still achieves a noteworthy airflow of 66.17 CFM, with noise levels capped at a relatively quiet 25.6 dB(A). While the ARCTIC fans may have the edge in static pressure, the Thermalright cooler offers compelling performance with its dual-fan setup.

Noise Levels

When it comes to noise levels, both products aim for quiet operation but take different approaches. The ARCTIC P12 Pro utilises a smooth-running fluid dynamic bearing that reduces noise during operation, making it ideal for users who prioritise a silent PC environment. Although exact noise levels are not specified, the design suggests a focus on minimal sound output. Conversely, the Thermalright Peerless Assassin maintains a commendable noise level of 25.6 dB(A) at maximum capacity, which is relatively quiet for a CPU cooler. Users sensitive to noise may find the ARCTIC fans slightly quieter, especially at lower speeds, while the Thermalright provides adequate cooling with acceptable noise levels.

Compatibility

Compatibility is crucial for ensuring that your cooling solution fits seamlessly into your build. The ARCTIC P12 Pro fans can be used in various configurations, making them suitable for radiators, cases, and more. They do not have specific socket limitations, which allows for versatile use across different setups. On the other hand, the Thermalright Peerless Assassin is compatible with a range of CPU sockets, including Intel 115X/1200/1700/17XX and AMD AM4/AM5, ensuring it can fit into most modern builds. With its robust mounting options and included fasteners, it provides an easy installation experience for users across different platforms.

Aesthetic Appeal

Aesthetic considerations can significantly influence a buyer's choice, especially for those who want their builds to stand out. The ARCTIC P12 Pro focuses on a utilitarian design, providing high performance without flashy elements. In contrast, the Thermalright Peerless Assassin features ARGB lighting that adds a colourful and dynamic element to system builds. This can appeal to gamers and PC enthusiasts who appreciate a visually striking setup. While the ARCTIC fans provide functional performance, the Thermalright cooler captures attention with its vibrant lighting effects, catering to those looking to enhance the visual appeal of their systems.

Value for Money

Value for money is a critical aspect when considering cooling solutions. The ARCTIC P12 Pro is priced at £38.98 for a pack of five fans, which translates to a cost of approximately £7.80 per fan. This price point is justified by its high static pressure and versatile application capabilities. In comparison, the Thermalright Peerless Assassin, priced at £28.79, provides a solid CPU air cooling solution with dual fans and ARGB lighting, representing a strong value for those looking for a capable cooler at a lower price. While the ARCTIC fans may offer more in terms of airflow performance, the Thermalright cooler provides a compelling package at a lower price point, making it an attractive option for budget-conscious consumers.

Which should you buy?

Ultimately, the choice between the ARCTIC P12 Pro PST - 5 Pack and the Thermalright Peerless Assassin 120 SE ARGB CPU Air Cooler rests on your specific needs and preferences. If you are seeking high-performance fans with excellent static pressure and quiet operation, the ARCTIC P12 Pro is an outstanding option. However, if you require a cost-effective CPU cooler that offers good performance and aesthetic appeal with ARGB lighting, the Thermalright Peerless Assassin is a worthy contender. Both products deliver solid performance in their respective categories, so consider your priorities—whether it's airflow, noise levels, compatibility, or visual appeal—when making your decision.

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ARCTIC P12 Pro PST - 5 Pack - Powerful Premium Fan vs Thermalright Peerless Assassin 120 SE ARGB CPU Air Cooler | versusfinder