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Thermalright Peerless Assassin 120 Digital ARGB Black CPU Air Cooler vs Thermalright Assassin X 120 SE CPU Air Cooler

Updated August 2026The Thermalright Peerless Assassin 120 Digital ARGB Black offers superior cooling performance and aesthetic features, making it the better choice overall.

The Thermalright Peerless Assassin 120 Digital ARGB Black offers superior cooling performance and aesthetic features, making it the better choice overall.

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

Cooling Performance

Higher airflow of 88.89 CFM vs 66.17 CFM

Aesthetics

ARGB lighting features vs no RGB

Build Quality

Copper heat pipes vs aluminum

Why Thermalright Assassin X 120 SE CPU Air Cooler is better

Price

More affordable at C$25.59

Simplicity

Easier installation process

Weight

Lighter at 0.645 kg vs 0.75 kg

Overall score

Thermalright Peerless Assassin 120 Digital ARGB Black CPU Air Cooler
85
Thermalright Assassin X 120 SE CPU Air Cooler
65

Specifications

SpecThermalright Peerless Assassin 120 Digital ARGB Black CPU Air CoolerThermalright Assassin X 120 SE CPU Air Cooler
Fan Speed1850 RPM1550 RPM
Noise Level≤25.6 dB(A)≤25.6 dB(A)
Socket SupportAM4/AM5, LGA 1700/1200AM4, LGA 1700
Heat Pipes6 Copper4 Aluminum
PriceC$52.62C$25.59

Dimension comparison

Thermalright Peerless Assassin 120 Digital ARGB Black CPU Air CoolerThermalright Assassin X 120 SE CPU Air Cooler

Overview of the Products

In the realm of CPU air coolers, the Thermalright Peerless Assassin 120 Digital ARGB Black and the Thermalright Assassin X 120 SE stand out with their unique features and price points. The Peerless Assassin is priced at C$52.62, while the Assassin X is more budget-friendly at C$25.59. Both products are designed to provide effective cooling solutions, but they cater to different needs and preferences within the user community.

Cooling Performance

The Thermalright Peerless Assassin boasts a dual-tower design with dual fans that operate at a high speed of 1850 RPM, delivering an impressive airflow of 88.89 CFM. This setup ensures optimal heat dissipation, making it suitable for high-performance CPUs. In comparison, the Thermalright Assassin X features a single fan that operates at 1550 RPM and generates an airflow of 66.17 CFM. While both coolers maintain a noise level of ≤25.6 dB(A), the Peerless Assassin clearly outperforms the Assassin X in terms of cooling capacity and efficiency, making it a better choice for overclocking scenarios.

Design and Aesthetics

Design-wise, the Thermalright Peerless Assassin is equipped with ARGB lighting effects that can be customised through the motherboard's built-in software. This feature adds a modern touch to your build, especially for users who appreciate aesthetic appeal. The Assassin X, while not featuring RGB lighting, presents a more traditional cooler design, focusing on functionality over flair. For users prioritising aesthetics, the Peerless Assassin would be the clear winner due to its adjustable lighting features.

Build Quality and Materials

Both coolers are built by Thermalright, a brand known for its reliability and quality. The Peerless Assassin features a combination of 6 pure copper heat pipes and a pure copper base to ensure efficient thermal contact with the CPU. Conversely, the Assassin X utilises aluminum for its heat sink material, which may not provide the same level of heat transfer efficiency as copper. Users looking for a cooler with superior build quality and thermal performance would likely favour the Peerless Assassin.

Compatibility and Installation

The Thermalright Peerless Assassin is compatible with a wide range of CPU sockets, including AMD AM4/AM5 and Intel LGA 1700/1200, among others. It comes with SS2 clips and a Y-type adapter for easy installation and compatibility with various systems. The Assassin X also supports multiple sockets, including AMD AM4 and Intel LGA 1700, but its focus is on a more straightforward installation process. While both products offer good compatibility, the Peerless Assassin's additional features provide more flexibility for different setups.

Noise Levels

Both the Thermalright Peerless Assassin and the Assassin X are designed to operate with a noise level of ≤25.6 dB(A). This means that under normal operating conditions, users of either cooler can expect a quiet performance. However, the Peerless Assassin may produce slightly more noise under peak loads due to its higher fan speed and airflow. For users sensitive to noise, the choice may come down to whether they prioritise higher cooling capacity over minimal noise levels.

Price Consideration

When it comes to price, the Thermalright Assassin X is significantly more affordable at C$25.59 compared to the Peerless Assassin’s C$52.62. This makes the Assassin X an attractive option for budget-conscious consumers or those with less demanding cooling needs. However, the increased investment in the Peerless Assassin can be justified by its superior cooling performance and additional features. Consumers will need to weigh their specific needs against their budget when choosing between these two options.

Which should you buy?

Choosing between the Thermalright Peerless Assassin 120 Digital ARGB Black and the Thermalright Assassin X 120 SE ultimately depends on your specific requirements and budget. If you are looking for superior cooling performance, aesthetic features like ARGB lighting, and robust build quality, the Peerless Assassin is the better option despite its higher price. On the other hand, if you are seeking a more economical solution with decent cooling capabilities, the Assassin X offers excellent value for money. Consider your cooling needs, system compatibility, and budget to make the best choice for your setup.

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Thermalright Peerless Assassin 120 Digital ARGB Black CPU Air Cooler vs Thermalright Assassin X 120 SE CPU Air Cooler | versusfinder