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Thermalright PS120SE ARGB CPU Air Cooler, 7 Heat vs Thermalrlght Peerless Assassin 120 SE CPU Air

Updated August 2026 — Thermalright PS120SE ARGB CPU Air Cooler, 7 Heat leads on led features and cooling performa.

The Thermalright PS120SE ARGB offers superior cooling performance and advanced features, making it the better choice overall.

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

Cooling Performance

PS120SE has 7 heat pipes vs 6 in Peerless Assassin

RGB Lighting

PS120SE features customizable RGB lighting with 17 modes

Build Quality

PS120SE uses high-quality materials for better durability

Why Thermalrlght Peerless Assassin 120 SE CPU Air is better

Price

Peerless Assassin is $2.04 cheaper

Height

Peerless Assassin is slightly taller at 155mm

Fan Speed

Peerless Assassin fans spin at 1550 RPM vs 1500 RPM

Overall score

Thermalright PS120SE ARGB CPU Air Cooler, 7 Heat
85
Thermalrlght Peerless Assassin 120 SE CPU Air
78

Specifications

SpecThermalright PS120SE ARGB CPU Air Cooler, 7 HeatThermalrlght Peerless Assassin 120 SE CPU Air
Airflow66.17 CFM66.17 CFM
Noise Level25.6 dB(A)25.6 dB(A)
Fan RPM1500 RPM1550 RPM
Socket SupportLGA 1700/AM4LGA 1700/AM4
MaterialAluminum/CopperAluminum/Copper

Dimension comparison

Thermalright PS120SE ARGB CPU Air Cooler, 7 HeatThermalrlght Peerless Assassin 120 SE CPU Air

Overview of the Thermalright PS120SE ARGB and Peerless Assassin 120 SE

The Thermalright PS120SE ARGB CPU Air Cooler is priced at $34.94, making it about 17% more expensive than the Thermalrlght Peerless Assassin 120 SE, which retails for $32.90. Both coolers are designed for efficient CPU cooling, but they have distinct features that cater to different user needs. The PS120SE boasts seven heat pipes, while the Peerless Assassin features six heat pipes, indicating a potentially stronger cooling performance in the former.

Design and Build Quality

Both coolers exhibit impressive craftsmanship, but the Thermalright PS120SE ARGB stands out with its AGHP upgraded 4th generation technology and a robust height of 154mm. It uses high-quality materials, including anodized black frosted top and finely carved pure copper base, which enhances its durability and heat dissipation capabilities. The Peerless Assassin 120 SE, while also well-built with a soldered heatsink base and anodized brushed black top cover, is slightly taller at 155mm. This difference in design could affect compatibility with certain chassis models.

Cooling Performance

Cooling performance is crucial for maintaining optimal CPU temperatures during heavy usage. The Thermalright PS120SE ARGB features seven heat pipes and dual 120mm TL-C12B-S V2 PWM fans with an airflow of 66.17 CFM and a noise level of 25.6 dB(A). In comparison, the Peerless Assassin 120 SE utilizes six heat pipes and dual TL-C12C PWM fans, providing the same airflow and noise level. However, the added heat pipe in the PS120SE could deliver slightly superior cooling efficiency.

Fan Efficiency and Noise Levels

Both coolers are equipped with PWM fans that operate at similar speeds and noise levels. The Thermalright PS120SE's TL-C12B-S V2 fans spin at 1500 RPM, while the Peerless Assassin's TL-C12C fans operate at a slightly higher 1550 RPM. Despite this difference in speed, both fans maintain a noise level of 25.6 dB(A), ensuring a quiet operation. The dual fan setup in both products enhances airflow, although the PS120SE’s fan design is optimized for better heat dissipation due to its increased number of heat pipes.

Compatibility with CPU Slots

In terms of compatibility, both coolers support a wide range of CPU sockets. The Thermalright PS120SE is compatible with Intel LGA 1700/1851/1150/1151/1155/1156/1200 and AMD AM4/AM5 sockets. Similarly, the Peerless Assassin 120 SE supports the same Intel and AMD sockets, but it requires the use of the motherboard's built-in backplate for installation on AM4 and AM5. This may introduce some additional steps in the installation process for the Peerless Assassin.

Aesthetic Appeal

Aesthetics can play a significant role in a user's choice, especially for those looking to build a visually striking PC. The Thermalright PS120SE ARGB features high-brightness LED lighting with up to 17 modes, allowing users to customize their lighting effects and synchronize them with their motherboard. The Peerless Assassin 120 SE, while not as extensive in lighting options, still offers a sleek design with its anodized brushed black top cover. Users who prioritize RGB lighting may prefer the PS120SE, while those who favor a more understated look might lean towards the Peerless Assassin.

Price and Value Proposition

With the Thermalright PS120SE priced at $34.94 and the Peerless Assassin at $32.90, the Peerless Assassin is the more budget-friendly option, offering a savings of about $2.04. Both coolers deliver excellent value for their price points, but the additional features and cooling performance of the PS120SE may justify its higher price for some users. Those looking for a cooler with advanced cooling technology and superior aesthetics might find the PS120SE to be worth the extra expense.

Which should you buy?

Choosing between the Thermalright PS120SE ARGB and the Peerless Assassin 120 SE ultimately depends on your specific needs and preferences. If you are looking for a cooler with superior cooling performance, advanced features like customizable RGB lighting, and a slightly more robust build, the PS120SE is the better choice, albeit at a higher price of $34.94. However, if you prioritize cost-effectiveness and still want solid performance, the Peerless Assassin at $32.90 offers great value without compromising too much on cooling capabilities. Consider your budget, aesthetic preferences, and cooling requirements to make the best decision for your build.