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Thermalright Assassin X 120R Digital ARGB Black CPU Cooler vs Thermalright Peerless Assassin 120 Digital ARGB Black CPU Cooler Air with 6X6mm

Updated August 2026The Thermalright Peerless Assassin 120 offers superior cooling performance and quieter operation, making it the better choice for high-performance systems.

The Thermalright Peerless Assassin 120 offers superior cooling performance and quieter operation, making it the better choice for high-performance systems.

Why Thermalright Assassin X 120R Digital ARGB Black CPU Cooler is better

lower price

Assassin X 120R costs C$32.90

smaller size

Assassin X 120R height is 151mm

higher RPM

Assassin X 120R fan speed is 2000 RPM

Why Thermalright Peerless Assassin 120 Digital ARGB Black CPU Cooler Air with 6X6mm is better

better cooling

Peerless Assassin 120 has 88.89 CFM air volume

quieter operation

Peerless Assassin 120 operates at ≤ 25.6 dB(A)

dual-tower design

Peerless Assassin 120 features a dual-tower structure

Overall score

Thermalright Assassin X 120R Digital ARGB Black CPU Cooler
70
Thermalright Peerless Assassin 120 Digital ARGB Black CPU Cooler Air with 6X6mm
85

Specifications

SpecThermalright Assassin X 120R Digital ARGB Black CPU CoolerThermalright Peerless Assassin 120 Digital ARGB Black CPU Cooler Air with 6X6mm
BrandThermalrightThermalright
PriceC$32.90C$62.90
Noise Level≤ 29.8 dB(A)≤ 25.6 dB(A)
Heat PipesN/A6
ARGB LightingYesYes

Dimension comparison

Thermalright Assassin X 120R Digital ARGB Black CPU CoolerThermalright Peerless Assassin 120 Digital ARGB Black CPU Cooler Air with 6X6mm

Overview of the Thermalright Assassin X 120R Digital ARGB Black CPU Cooler

The Thermalright Assassin X 120R Digital ARGB Black CPU Cooler is priced at C$32.90 and is known for its efficient heat dissipation capabilities. This cooler features an all-aluminum construction and a PWM fan that operates at a speed of 2000 RPM, delivering an air volume of 70.84 CFM with an operating noise level of ≤ 29.8 dB(A). The combination of its symmetrical aluminum fins and PWM fan enhances its cooling performance, making it suitable for various CPU setups. It also includes ARGB lighting that synchronizes with the motherboard, allowing for a visually appealing setup.

Overview of the Thermalright Peerless Assassin 120 Digital ARGB Black CPU Cooler

The Thermalright Peerless Assassin 120 Digital ARGB Black CPU Cooler comes at a higher price of C$62.90 but offers superior cooling performance. It features a dual-tower design equipped with dual fans that run at a maximum speed of 1850 RPM, generating an impressive air volume of 88.89 CFM while maintaining a lower noise level of ≤ 25.6 dB(A). The inclusion of six pure copper heat pipes enhances its heat dissipation efficiency, making it an excellent choice for users seeking robust cooling solutions. The cooler also features ARGB lighting and a magnetic top cover that adds a modern aesthetic to any build.

Cooling Performance Comparison

In terms of cooling performance, the Peerless Assassin 120 outshines the Assassin X 120R. The Peerless model achieves an air volume of 88.89 CFM, which is significantly higher than the 70.84 CFM offered by the Assassin X 120R. Additionally, the Peerless cooler's dual-tower design, combined with its dual fans, allows for more effective heat dissipation. This results in a fan speed that, although lower at 1850 RPM compared to the Assassin X's 2000 RPM, still provides superior cooling due to its design and air volume. Therefore, for overclocking or high-performance CPUs, the Peerless model is the clear winner.

Noise Levels and Efficiency

When it comes to noise levels, the Assassin X 120R operates at a maximum of ≤ 29.8 dB(A), while the Peerless Assassin 120 is quieter, operating at ≤ 25.6 dB(A). Despite the lower fan speed of the Peerless model, its dual fans and advanced design contribute to more efficient cooling at lower noise levels. This makes the Peerless ideal for users who prefer a quieter computing environment without compromising on cooling performance. Thus, if noise is a critical factor in your selection, the Peerless Assassin 120 is the better option.

Size and Compatibility

The Thermalright Assassin X 120R has a height of 151mm, making it compatible with most cases, while the Peerless Assassin 120 stands slightly taller at 162mm. This size difference means that the Peerless may have compatibility issues with certain smaller cases. However, both coolers are designed to fit a wide range of Intel and AMD sockets, ensuring that they can accommodate a variety of builds. The slightly larger size of the Peerless model allows for better cooling potential but may require more consideration regarding case compatibility.

Aesthetics and Design Features

Visual appeal is an important consideration for many PC builders, and both coolers offer ARGB lighting features. The Assassin X 120R has a digital screen that enhances its aesthetic, combining performance with style. On the other hand, the Peerless Assassin 120 boasts a magnetic top cover that not only adds to its sleek design but also allows for easy access to the fans. The customizability of the ARGB lighting in both models will appeal to users looking to create a visually cohesive build. However, the unique magnetic cover design of the Peerless provides an innovative touch that may attract more attention.

Installation and User Experience

Both coolers come with installation accessories and are compatible with various Intel and AMD sockets, including Intel LGA 1851/1700/1150/1151/1155/1156/1200 and AMD AM4/AM5. The installation process for both models is user-friendly, with the Assassin X 120R providing a comprehensive manual and video guide. Meanwhile, the Peerless Assassin 120 includes similar instructions, ensuring a smooth setup. However, the Peerless model requires the use of the original backplate for AMD installations, which may add a slight hurdle for some users. Overall, both coolers offer a positive user experience, making them accessible for both novice and experienced builders.

Which should you buy?

If you are seeking a budget-friendly CPU cooler with decent performance, the Thermalright Assassin X 120R Digital ARGB Black CPU Cooler at C$32.90 is a solid choice. However, for those prioritizing superior cooling efficiency, quieter operation, and advanced features, the Thermalright Peerless Assassin 120 Digital ARGB Black CPU Cooler at C$62.90 is the better investment. It offers enhanced cooling capabilities, lower noise levels, and a more modern design, making it ideal for high-performance systems. Ultimately, your choice should depend on your specific cooling needs and budget considerations.

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Thermalright Assassin X 120R Digital ARGB Black CPU Cooler vs Thermalright Peerless Assassin 120 Digital ARGB Black CPU Cooler Air with 6X6mm | versusfinder