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Kalemax CPU Cooler, Dual-Tower, 6× vs Thermalrlght Peerless Assassin 120 SE CPU Air

Updated August 2026 — Kalemax CPU Cooler, Dual-Tower, 6× wins on aesthetics and fan performance, Thermalrlght Peerless Assassin 120 SE CPU Air wins on noise level.

The Kalemax CPU Cooler offers superior cooling performance and aesthetic features at a lower price, making it the better choice for budget-conscious users. However, the Peerless Assassin is quieter and has a more robust build.

Why Kalemax CPU Cooler, Dual-Tower, 6× is better

Cooling Performance

Kalemax has a higher maximum fan speed and airflow.

Price

Kalemax is cheaper by $2.91.

Aesthetics

Kalemax features customizable ARGB lighting.

Why Thermalrlght Peerless Assassin 120 SE CPU Air is better

Noise Levels

Peerless Assassin operates quieter at 25.6 dBA.

Build Quality

Peerless Assassin has a more robust installation system.

Compatibility

Peerless Assassin has a wider range of Intel socket support.

Overall score

Kalemax CPU Cooler, Dual-Tower, 6×
85
Thermalrlght Peerless Assassin 120 SE CPU Air
78

Specifications

SpecKalemax CPU Cooler, Dual-Tower, 6×Thermalrlght Peerless Assassin 120 SE CPU Air
Max RPM20001550
Noise Level27.8 dBA25.6 dBA
Heat Pipes66
Socket SupportAM4/AM5, LGA 115X/1200/1700AM4/AM5, LGA 1150/1151/1156/1200/1700
ARGB LightingYesNo

Dimension comparison

Kalemax CPU Cooler, Dual-Tower, 6×Thermalrlght Peerless Assassin 120 SE CPU Air

Overview of the Kalemax CPU Cooler and Thermalrlght Peerless Assassin 120 SE

The Kalemax CPU Cooler is priced at $29.99, making it about 17% cheaper than the Thermalrlght Peerless Assassin 120 SE, which retails for $32.90. Both coolers are designed for high-performance CPU cooling and are compatible with a range of Intel and AMD sockets. The Kalemax features a dual-tower design with six 6mm heat pipes and dual 120mm ARGB PWM fans, while the Peerless Assassin also utilizes a dual-tower setup with six heat pipes but is equipped with dual TL-C12C PWM fans.

Design and Aesthetics

The aesthetic appeal of a CPU cooler can greatly influence a user's choice, and this is where the Kalemax shines with its ARGB lighting. The Kalemax cooler features specially treated fan blades that reflect and diffuse light effectively, offering up to 16 lighting modes. In contrast, the Thermalrlght Peerless Assassin has a more subdued design with an anodized brushed black top cover, focusing more on functionality than flashy effects. While both coolers are visually appealing, the Kalemax's emphasis on ARGB lighting may attract gamers and users who appreciate customizable aesthetics.

Cooling Performance

Cooling performance is paramount for any CPU cooler, and both models perform admirably in this regard. The Kalemax boasts a maximum fan speed of 2000 RPM and a maximum airflow of 74.9 CFM, promising effective heat dissipation. The Peerless Assassin, with a slightly lower fan speed of 1550 RPM, provides a maximum airflow of 66.17 CFM. Therefore, the Kalemax has an edge in terms of raw cooling capabilities, making it potentially more effective for high-performance CPUs under heavy loads.

Noise Levels

When it comes to noise levels, the Peerless Assassin is quieter, operating at a maximum noise level of 25.6 dBA, compared to the Kalemax's maximum noise level of 27.8 dBA. This difference may be crucial for users who prioritize a quieter computing environment. The lower noise output of the Peerless Assassin makes it a more appealing choice for those who work in noise-sensitive environments or simply prefer a quieter system.

Compatibility

Both coolers offer wide compatibility with various Intel and AMD sockets. The Kalemax supports Intel sockets LGA 115X, 1200, 1700, and AMD sockets AM4 and AM5. Similarly, the Peerless Assassin is compatible with Intel LGA 1150, 1151, 1155, 1156, 1200, and 1700, as well as AMD AM4 and AM5 sockets. Each cooler includes corresponding mounting plates or fasteners, ensuring a secure installation. Therefore, users can expect both products to fit a wide range of builds without compatibility issues.

Installation Process

The installation process can often be a deciding factor for users when selecting a CPU cooler. The Kalemax boasts a straightforward installation with metal fasteners that are compatible with both Intel and AMD platforms. The Peerless Assassin features the SS2 installation system and a metal pressure plate that ensures better contact with the CPU. Both coolers are designed to facilitate an easy installation process, but users may find the Peerless Assassin's system slightly more robust due to the added pressure plate.

Price and Value

In terms of value, the Kalemax is priced at $29.99, offering a competitive option for users looking for effective cooling without breaking the bank. The Peerless Assassin, on the other hand, is priced at $32.90, making it a more premium option. Given the price difference of about $2.91, potential buyers must weigh the benefits of the Peerless Assassin's slightly lower noise levels and robust build against the Kalemax's superior cooling performance and ARGB features.

Which should you buy?

Deciding between the Kalemax CPU Cooler and the Thermalrlght Peerless Assassin 120 SE largely depends on your specific needs. If you prioritize aesthetics and cooling performance at a lower price, the Kalemax stands out as the better option. However, if a quieter operation and a solid build are more critical for you, then the Peerless Assassin may be worth the additional cost. Ultimately, both coolers are excellent choices for CPU cooling, but your personal preferences will guide the final decision.