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Delta A40 ARGB CPU Cooler vs Thermalright Peerless Assassin 120 SE Black CPU Cooler

Updated August 2026The Delta A40 ARGB CPU Cooler offers great value for budget-conscious users, while the Thermalright Peerless Assassin 120 SE Black provides superior cooling performance and lower noise levels. Choose based on your priorities.

The Delta A40 ARGB CPU Cooler offers great value for budget-conscious users, while the Thermalright Peerless Assassin 120 SE Black provides superior cooling performance and lower noise levels. Choose based on your priorities.

Why Delta A40 ARGB CPU Cooler is better

lower price

Delta A40 is priced at C$19.29

aesthetic design

Delta A40 features customizable ARGB lighting

higher power dissipation

Delta A40 supports up to 220W power dissipation

Why Thermalright Peerless Assassin 120 SE Black CPU Cooler is better

better cooling

Thermalright has dual fans for improved airflow

lower noise

Thermalright operates at ≤25.6 dB(A)

robust construction

Thermalright features a dual-tower design for enhanced heat dissipation

Overall score

Delta A40 ARGB CPU Cooler
70
Thermalright Peerless Assassin 120 SE Black CPU Cooler
85

Specifications

SpecDelta A40 ARGB CPU CoolerThermalright Peerless Assassin 120 SE Black CPU Cooler
BrandOcypusThermalright
PriceC$19.29C$46.79
Fan TypeSingle PWMDual PWM
Power Dissipation220WN/A
CompatibilityIntel LGA 115X/1200/1700, AMD AM4/AM5Intel LGA 1150/1151/1155/1156/1200/1700, AMD AM4/AM5

Dimension comparison

Delta A40 ARGB CPU CoolerThermalright Peerless Assassin 120 SE Black CPU Cooler

Overview of the Delta A40 ARGB CPU Cooler and Thermalright Peerless Assassin 120 SE Black CPU Cooler

The Delta A40 ARGB CPU Cooler and Thermalright Peerless Assassin 120 SE Black CPU Cooler are both solid options for those looking to enhance their CPU cooling solutions. The Delta A40 is priced at C$19.29, making it a more budget-friendly choice, while the Thermalright Peerless Assassin is priced significantly higher at C$46.79. This price difference may reflect the features and performance levels that each cooler offers.

Design and Aesthetics

The Delta A40 ARGB CPU Cooler features a distinct design with circular elements and a mirror-like top, aimed at providing both visual appeal and superior tactile enjoyment. In contrast, the Thermalright Peerless Assassin 120 SE Black boasts a more utilitarian design with a fully electroplated finish and a dual-tower structure. While the Delta A40 focuses on aesthetics with its customizable ARGB lighting, the Thermalright model prioritizes effective heat dissipation with its robust construction and blackened nano coating.

Cooling Performance

The Delta A40 can handle power dissipation up to 220W, which is impressive for a cooler in its price range. It achieves an airflow of 73 CFM with a noise level of ≤29 dB(A), ensuring both efficiency and quiet operation. On the other hand, the Thermalright Peerless Assassin offers dual PWM fans that can generate an airflow of 66.17 CFM at a noise level of ≤25.6 dB(A). Although its maximum airflow is slightly lower, the dual fans may provide a more balanced cooling performance under load.

Fan Technology

In terms of fan technology, the Delta A40 is equipped with a single 120mm PWM fan that operates between 500 to 2000 RPM. This fan is designed to provide a balance between performance and silence. The Thermalright Peerless Assassin, however, features two 120mm fans that run at a maximum speed of 1550 RPM. While the single fan in the Delta A40 can ramp up to a higher speed, the dual fans in the Thermalright model may deliver better cooling consistency during intensive tasks.

Installation and Compatibility

Both coolers offer ease of installation and compatibility with various Intel and AMD platforms. The Delta A40 comes with all-metal mounting hardware and supports popular socket types such as Intel LGA 115X/1200/1700 and AMD AM4/AM5. The Thermalright Peerless Assassin also supports a wide range of sockets, including Intel LGA 1150/1151/1155/1156/1200/1700 and AMD AM4/AM5. This makes both coolers versatile choices for different system builds.

Noise Levels

When it comes to noise levels, the Thermalright Peerless Assassin has an advantage, with a maximum noise level of only ≤25.6 dB(A). The Delta A40, while still relatively quiet, reaches up to ≤29 dB(A) at full operation. If low noise is a critical factor for your build, the Thermalright cooler may be the better option.

Price Comparison

The price difference between the two coolers is significant. The Delta A40 is priced at C$19.29, making it a budget-friendly option for users who are looking for decent performance without breaking the bank. In contrast, the Thermalright Peerless Assassin is available for C$46.79, which places it in a higher price bracket. This cost may be justified by its additional features and enhanced cooling performance, but budget-conscious consumers may find the Delta A40 more appealing.

Which should you buy?

Choosing between the Delta A40 ARGB CPU Cooler and the Thermalright Peerless Assassin 120 SE Black CPU Cooler ultimately depends on your specific needs and budget. If you're looking for an affordable cooler with solid performance and customizable lighting, the Delta A40 is an excellent choice. However, if you’re willing to invest more for potentially better cooling performance and lower noise levels, the Thermalright Peerless Assassin is worth considering.

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Delta A40 ARGB CPU Cooler vs Thermalright Peerless Assassin 120 SE Black CPU Cooler | versusfinder