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Thermalright Peerless Assassin 120 Digital ARGB vs Thermalright PS120SE CPU Air Cooler, 7 Heat Pipes

Updated August 2026 — Thermalright Peerless Assassin 120 Digital ARGB leads on heat pipes and cooling efficien.

The Thermalright Peerless Assassin 120 offers superior cooling performance and aesthetics, while the PS120SE is a more budget-friendly option. Choose based on your priorities.

Why Thermalright Peerless Assassin 120 Digital ARGB is better

Cooling Performance

Higher RPM and airflow capacity

Aesthetics

Digital screen and ARGB lighting

Height

Better compatibility with larger cases

Why Thermalright PS120SE CPU Air Cooler, 7 Heat Pipes is better

Price

More budget-friendly option

Weight

Lighter design

Height

Shorter height for smaller cases

Overall score

Thermalright Peerless Assassin 120 Digital ARGB
85
Thermalright PS120SE CPU Air Cooler, 7 Heat Pipes
70

Specifications

SpecThermalright Peerless Assassin 120 Digital ARGBThermalright PS120SE CPU Air Cooler, 7 Heat Pipes
Heat Pipes67
Fan Speed1850 RPM1500 RPM
Airflow88.89 CFM66.17 CFM
CompatibilityAM4/AM5, LGA1700/1851/1150/1151/1200AM4/AM5, LGA1700/1150/1151/1200
Price$45.90$35.90

Dimension comparison

Thermalright Peerless Assassin 120 Digital ARGBThermalright PS120SE CPU Air Cooler, 7 Heat Pipes

Introduction to CPU Coolers

In the world of PC building, quality cooling solutions are essential for optimal performance and longevity. This comparison focuses on two CPU coolers from Thermalright: the Thermalright Peerless Assassin 120 Digital ARGB Black and the Thermalright PS120SE. Both products promise excellent thermal management but differ in features, compatibility, and price. Understanding these differences can help you make an informed decision for your next build.

Design and Aesthetics

When it comes to design, the Thermalright Peerless Assassin 120 Digital ARGB Black stands out with its digital screen top cover and sleek black finish. The incorporation of ARGB lighting adds a touch of modernity, making it an attractive option for gamers and aesthetic enthusiasts alike. In contrast, the Thermalright PS120SE has a more understated design, focusing on functionality with a solid black anodized finish. While the PS120SE may not have the same visual flair, it emphasizes practicality, appealing to users who prioritize performance over aesthetics.

Cooling Performance

Cooling performance is a critical factor for any CPU cooler. The Thermalright Peerless Assassin 120 features six heat pipes and dual fans that can reach speeds of 1850 RPM, providing effective heat dissipation. It operates at a maximum noise level of 25.6 dB(A), ensuring a quiet computing experience. On the other hand, the Thermalright PS120SE uses seven heat pipes and offers a slightly lower fan speed of 1500 RPM, resulting in a maximum airflow of 66.17 CFM. While both coolers are designed for efficient cooling, the Peerless Assassin may have a slight edge due to its higher RPM and airflow capacity.

Compatibility

Compatibility is essential when choosing a CPU cooler. The Thermalright Peerless Assassin 120 supports a wide range of platforms, including AMD AM4/AM5 and Intel LGA1700/1851/1150/1151/1200. This versatility makes it suitable for various builds, especially for users who may upgrade their components over time. In comparison, the Thermalright PS120SE also supports both AMD and Intel platforms but is slightly shorter in height at 154mm compared to the Peerless Assassin's 162mm. This can be an advantage for users with smaller cases, allowing for easier installation without interfering with other components.

Noise Levels

Noise levels can significantly affect your computing experience, especially in quieter environments. Both the Thermalright Peerless Assassin 120 and the Thermalright PS120SE operate at a maximum noise level of 25.6 dB(A). This means that users can expect a similar level of quiet operation from both coolers. However, the difference in fan speed may result in the Peerless Assassin producing a bit more sound under heavy loads, though it remains within acceptable limits for most users.

Price Comparison

Price is often a decisive factor for many PC builders. The Thermalright Peerless Assassin 120 is priced at $45.90, while the Thermalright PS120SE is more budget-friendly at $35.90. This makes the PS120SE about 17% cheaper than the Peerless Assassin. For users on a tighter budget, the PS120SE offers a more economical choice without sacrificing essential cooling features, making it an appealing option for budget-conscious builders.

Brand Reputation

Thermalright has established a strong reputation in the cooling market over more than 20 years of operation. Both products benefit from this legacy, with a focus on quality and performance. The company is known for its innovation in cooler technology, including the AGHP (Advanced Gravity Heat Pipe) technology employed in both models. This reputation can instill confidence in consumers, knowing that they are purchasing from a brand with a proven track record in the industry.

User Experience and Installation

User experience can vary based on installation and compatibility. The Thermalright Peerless Assassin 120 comes with dual-platform mounting clips, making installation straightforward for both AMD and Intel setups. Meanwhile, the Thermalright PS120SE also includes necessary mounting hardware, ensuring compatibility across various platforms. Both models are designed to avoid interference with high-capacity memory and graphics cards, enhancing the overall user experience during installation.

Which should you buy?

Ultimately, the choice between the Thermalright Peerless Assassin 120 Digital ARGB Black and the Thermalright PS120SE boils down to your specific needs and budget. If you’re looking for a cooler that combines aesthetics with exceptional cooling performance, the Peerless Assassin is likely the better option. However, if you're more focused on cost-effectiveness and solid performance, the PS120SE offers excellent value at a lower price point. Consider your unique requirements, and you can confidently choose the cooler that best fits your PC build.