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Thermalright Peerless Assassin 120 SE CPU Air Cooler vs ARCTIC P8 PWM PST - PC Fan

Updated August 2026The Thermalright Peerless Assassin 120 SE offers superior cooling performance and build quality, making it the better choice for high-demand users. The ARCTIC P8 PWM PST is an excellent budget option for general airflow.

The Thermalright Peerless Assassin 120 SE offers superior cooling performance and build quality, making it the better choice for high-demand users. The ARCTIC P8 PWM PST is an excellent budget option for general airflow.

Why Thermalright Peerless Assassin 120 SE CPU Air Cooler is better

Cooling Performance

Thermalright has higher airflow of 66.17 CFM.

Build Quality

Thermalright features a dual tower design for enhanced cooling.

Compatibility

Thermalright supports a wider range of CPU sockets.

Why ARCTIC P8 PWM PST - PC Fan is better

Price

ARCTIC is significantly cheaper at £6.26.

Noise Level

ARCTIC operates at a quieter sound level of 0.3 Sone.

Efficiency

ARCTIC uses advanced PWM technology for energy savings.

Overall score

Thermalright Peerless Assassin 120 SE CPU Air Cooler
85
ARCTIC P8 PWM PST - PC Fan
65

Specifications

SpecThermalright Peerless Assassin 120 SE CPU Air CoolerARCTIC P8 PWM PST - PC Fan
BrandThermalrightARCTIC
Price£26.90£6.26
Noise Level25.6 dB(A)0.3 Sone
Socket SupportIntel LGA1700, AMD AM5N/A
Fan TypeDual PWMSingle PWM

Dimension comparison

Thermalright Peerless Assassin 120 SE CPU Air CoolerARCTIC P8 PWM PST - PC Fan

Introduction to CPU Cooling Solutions

When it comes to cooling your PC, selecting the right components is crucial for optimal performance. In this comparison, we will delve into the Thermalright Peerless Assassin 120 SE CPU Air Cooler and the ARCTIC P8 PWM PST PC Fan. The Thermalright cooler is priced at £26.90, while the ARCTIC fan is significantly more affordable at £6.26. Each product has its own unique features designed to cater to different cooling needs.

Design and Build Quality

The design and build quality of a cooling product can significantly impact its efficiency and longevity. The Thermalright Peerless Assassin 120 SE boasts a robust build with a dual tower design, enhancing its cooling capabilities. Measuring 125mm x 135mm x 155mm, it incorporates six pure copper heat pipes and an aluminium heat sink. In contrast, the ARCTIC P8 PWM PST is a single fan unit optimised for static pressure, with a maximum speed of 3000 RPM. While the P8 is lightweight and straightforward, weighing in at a mere 0.97 kg, the Thermalright cooler's sturdier construction aims for higher performance under load.

Cooling Performance

Cooling performance is a crucial factor for any PC enthusiast. The Thermalright Peerless Assassin 120 SE features dual PWM fans capable of producing an airflow of up to 66.17 CFM at a noise level of 25.6 dB(A). This makes it adept at handling high thermal loads, particularly during intense gaming sessions or heavy computational tasks. On the other hand, the ARCTIC P8 PWM PST, while offering a lower maximum airflow of 23.4 CFM, is specifically optimised for static pressure. This makes it an excellent choice for use on heatsinks and radiators, where air resistance is a concern.

Noise Levels

When selecting cooling solutions, noise levels can be a significant consideration for many users. The Thermalright cooler operates at a maximum noise level of 25.6 dB(A), which is relatively quiet for a high-performance cooler. Conversely, the ARCTIC P8 PWM PST has an impressively low operating sound of just 0.3 Sone, making it one of the quieter fans on the market, even at its highest speed. For users prioritising silence, the ARCTIC fan may be the more appealing option.

Compatibility and Installation

Compatibility is vital for ensuring that a cooling solution fits seamlessly into your existing setup. The Thermalright Peerless Assassin 120 SE supports a wide range of CPU sockets, including Intel's LGA 1700 and AMD's AM5, making it versatile for various builds. It comes with the necessary mounting hardware for easy installation. On the flip side, the ARCTIC P8 PWM PST is a standard 120mm fan that can be easily integrated into most cases or cooling systems. It operates with a 4-pin power connector and can be synchronised with other fans via PWM Sharing Technology (PST), enhancing system compatibility.

Efficiency and Power Consumption

Efficiency is an essential aspect of any cooling solution, especially when considering power consumption. The Thermalright Peerless Assassin 120 SE is designed for high performance but does not explicitly state its power consumption in the provided data. However, its dual fans suggest a higher energy draw compared to simpler solutions. In contrast, the ARCTIC P8 PWM PST utilises the latest generation PWM IC, which enables it to achieve higher efficiency while saving energy. This motor technology allows the fan to operate at varying speeds, consuming less power during less intensive tasks.

Aesthetics and Customisation

Aesthetics may not be the primary concern for all users, but they play a role in the overall appeal of a PC build. The Thermalright Peerless Assassin 120 SE features a sleek, professional design that fits well in a variety of cases. Its dual tower design and polished finish provide a premium look. The ARCTIC P8 PWM PST, while simpler in design, is available in various colour options, allowing for some degree of customisation within a build. This makes it a popular choice for users looking to match their cooling solutions with their overall theme.

Price Point and Value for Money

Price is often a deciding factor for consumers. The Thermalright Peerless Assassin 120 SE is priced at £26.90, reflecting its advanced cooling capabilities and robust build quality. For users seeking high performance, this cooler represents a solid investment. Conversely, the ARCTIC P8 PWM PST is priced at just £6.26, making it an exceptionally cost-effective option for those looking to enhance airflow without breaking the bank. While it may lack some of the advanced features of the Thermalright cooler, its efficiency and quiet operation provide excellent value for budget-conscious consumers.

Which should you buy?

Choosing between the Thermalright Peerless Assassin 120 SE and the ARCTIC P8 PWM PST ultimately depends on your specific cooling needs and budget. If you're looking for a high-performance CPU cooler that can handle demanding tasks, the Thermalright option is the superior choice with its dual tower design and extensive compatibility. However, if you're seeking a cost-effective fan that prioritises quiet operation and efficiency, the ARCTIC P8 PWM PST stands out as an excellent value option for general airflow enhancement.

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Thermalright Peerless Assassin 120 SE CPU Air Cooler vs ARCTIC P8 PWM PST - PC Fan | versusfinder