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ARCTIC F12 - PC Fan vs Thermalright Assassin X120 SE ARGB CPU Air Cooler

Updated August 2026The Thermalright Assassin X120 SE offers superior cooling performance and aesthetic features, making it the better choice for high-performance systems, while the ARCTIC F12 is a great budget option for general airflow.

The Thermalright Assassin X120 SE offers superior cooling performance and aesthetic features, making it the better choice for high-performance systems, while the ARCTIC F12 is a great budget option for general airflow.

Why ARCTIC F12 - PC Fan is better

price

ARCTIC F12 is significantly cheaper at £5.78

noise level

ARCTIC F12 operates at a lower noise level of 0.3 Sone

installation

ARCTIC F12 allows for two-way installation

Why Thermalright Assassin X120 SE ARGB CPU Air Cooler is better

cooling performance

Thermalright Assassin X120 SE has a higher airflow of 66.17 CFM

build quality

Thermalright Assassin X120 SE features a robust aluminum heat sink

aesthetic features

Thermalright Assassin X120 SE includes customizable ARGB lighting

Overall score

ARCTIC F12 - PC Fan
65
Thermalright Assassin X120 SE ARGB CPU Air Cooler
85

Specifications

SpecARCTIC F12 - PC FanThermalright Assassin X120 SE ARGB CPU Air Cooler
BrandARCTICThermalright
Price£5.78£16.29
Bearing TypeFluid DynamicS-FDB
CompatibilityN/AIntel & AMD
Service LifeN/A20000 hours

Dimension comparison

ARCTIC F12 - PC FanThermalright Assassin X120 SE ARGB CPU Air Cooler

Overview of the Products

The ARCTIC F12 - PC Fan is an affordable cooling solution priced at £5.78, while the Thermalright Assassin X120 SE ARGB CPU Air Cooler is a more premium option at £16.29. Both products are designed to enhance airflow within a computer case, but they cater to different cooling needs and system configurations.

The ARCTIC F12 focuses on providing efficient airflow with a fan speed of 1350 rpm, making it ideal for general airflow management. In contrast, the Thermalright Assassin X120 SE boasts advanced features like ARGB lighting and a higher airflow capacity of 66.17 CFM, making it suitable for cooling high-performance CPUs in gaming or workstation setups.

Design and Build Quality

The design philosophy of the ARCTIC F12 prioritises airflow and noise minimisation, featuring fan blades engineered for efficient ventilation. This results in a noise level of just 0.3 Sone, which is commendable for a budget fan. The build quality is enhanced by the Fluid Dynamic Bearing, which ensures a long service life, preventing lubricant leakage.

On the other hand, the Thermalright Assassin X120 SE showcases a more robust structure with a heat sink made from aluminium and a weight of 0.63 kg. This cooler’s design includes four 6mm heat pipes and metal fasteners compatible with both Intel and AMD platforms, emphasising durability and performance under heavy loads. The attention to detail in its construction suggests it is built to last, boasting an industrial service life of up to 20,000 hours.

Cooling Performance

When it comes to cooling performance, the Thermalright Assassin X120 SE clearly outshines the ARCTIC F12. With a maximum airflow of 66.17 CFM compared to the ARCTIC's 53 CFM, the Assassin X120 SE is better equipped to handle the thermal demands of high-performance CPUs. Additionally, its PWM fan can reach speeds of up to 1550 rpm, providing even greater cooling efficiency when required.

In contrast, while the ARCTIC F12 is effective for general case ventilation, its specifications make it less suited for high-load scenarios. The 1350 rpm fan speed and lower static pressure suggest that it is better for maintaining airflow rather than cooling individual components under stress.

Noise Levels

The ARCTIC F12 boasts a remarkably low noise level at 0.3 Sone, making it an excellent choice for users who prioritise a quiet computing environment. This low noise operation is particularly beneficial in office settings or home theatre PCs where silence is crucial.

Conversely, the Thermalright Assassin X120 SE, while designed for performance, has a maximum noise level of 25.6 dB(A). Although this is still relatively quiet for a CPU cooler, it is noticeably louder than the ARCTIC F12. Users who are sensitive to noise may find this a consideration when selecting a cooling solution for their build.

Installation and Compatibility

The ARCTIC F12 features a user-friendly design that allows for two-way installation, enabling users to either draw cool air into the case or expel warm air. This versatility makes it easy to integrate into various setups without extensive modifications.

In contrast, the Thermalright Assassin X120 SE is designed for CPU cooling and comes with mounting hardware compatible with multiple Intel and AMD sockets, including LGA 1700 and AM5. Its dimensions of 120(L)x71(W)x148(H)mm mean it is suitable for medium-sized cases, but users need to ensure compatibility with their specific setup before purchase.

Aesthetic Features

The ARCTIC F12 is straightforward in its design, focusing purely on functionality without any additional aesthetic features. In contrast, the Thermalright Assassin X120 SE incorporates ARGB lighting, allowing users to customise their build's appearance with colourful lighting effects. This feature is particularly appealing to gamers and PC builders looking to enhance the visual appeal of their rigs.

The aesthetic aspect of the Assassin X120 SE, combined with its performance, makes it a dual-purpose product that caters to both form and function, whereas the ARCTIC F12 remains a more utilitarian choice.

Price and Value

At £5.78, the ARCTIC F12 provides exceptional value for those seeking a reliable fan for general case cooling. It addresses the basic needs for airflow without breaking the bank, making it an ideal choice for budget-conscious consumers or as a supplementary cooling solution.

In contrast, the Thermalright Assassin X120 SE, priced at £16.29, represents a more significant investment but offers advanced features and better cooling capabilities. For users building high-performance systems, the additional cost may be justified by the enhanced cooling efficiency and aesthetic options it provides.

Which should you buy?

Choosing between the ARCTIC F12 and the Thermalright Assassin X120 SE ultimately depends on your cooling needs and budget. If you are looking for an economical solution for general airflow in your case, the ARCTIC F12 is an excellent choice with its low noise levels and reliable performance. However, if you require a high-performance cooler for demanding applications, the Thermalright Assassin X120 SE is worth the investment, offering superior cooling capabilities, aesthetic features, and long-term durability.

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ARCTIC F12 - PC Fan vs Thermalright Assassin X120 SE ARGB CPU Air Cooler | versusfinder