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

Updated August 2026The Delta A40 ARGB CPU Cooler offers great aesthetics and affordability, while the Thermalright Peerless Assassin 120 Black excels in cooling performance. Choose based on your priorities.

The Delta A40 ARGB CPU Cooler offers great aesthetics and affordability, while the Thermalright Peerless Assassin 120 Black excels in cooling performance. Choose based on your priorities.

Why Delta A40 ARGB CPU Cooler is better

price

Delta A40 is significantly cheaper at C$19.29

aesthetics

Delta A40 features customizable ARGB lighting

ease of assembly

Delta A40 is easier to install for novice builders

Why Thermalright Peerless Assassin 120 Black CPU Air Cooler is better

cooling performance

Thermalright has superior heat dissipation area of 9600 cm²

fan technology

Thermalright features dual fans for better airflow

build quality

Thermalright uses advanced welding process for durability

Overall score

Delta A40 ARGB CPU Cooler
65
Thermalright Peerless Assassin 120 Black CPU Air Cooler
85

Specifications

SpecDelta A40 ARGB CPU CoolerThermalright Peerless Assassin 120 Black CPU Air Cooler
BrandOcypusThermalright
PriceC$19.29C$54.90
Power Support220WN/A
Fan Size120mm120mm
Socket CompatibilityIntel LGA 115X/1200/1700/AMD AM4Intel LGA 1150/1151/1155/1156/1200/1700/2066/2011/AMD AM4/AM5

Dimension comparison

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

Price Comparison

The Delta A40 ARGB CPU Cooler is priced at C$19.29, making it significantly more affordable than the Thermalright Peerless Assassin 120 Black CPU Air Cooler, which costs C$54.90. This price difference is stark, with the Thermalright model being nearly three times the cost of the Delta A40. While price alone should not be the deciding factor, it certainly plays a crucial role, especially for budget-conscious consumers looking to upgrade their cooling solution without breaking the bank.

Cooling Performance

When it comes to cooling performance, the Thermalright Peerless Assassin 120 Black stands out with its superior design and capabilities. The Peerless Assassin has an effective heat dissipation area of 9600 cm², which is a significant factor in its cooling efficiency. It features a double tower design and uses six pure copper heat pipes that aim to deliver extreme cooling performance. On the other hand, the Delta A40 is capable of handling high loads with a power dissipation support of up to 220W, but its overall cooling architecture does not match the sheer heat dissipation potential of the Thermalright model.

Fan Technology

The Delta A40 boasts a high-performance 120mm ARGB fan that operates at a noise level of 29 dB(A) while delivering an airflow of 73 CFM. This fan is designed to provide a balance between performance and silence. In contrast, the Thermalright Peerless Assassin features two PWM fans that can produce an airflow of 66.17 CFM each at a maximum speed of 1500 RPM, with a lower noise level of 25.6 dB(A). This dual-fan system may offer more stable cooling under load, while the Delta A40 prioritises aesthetics through its customizable ARGB lighting effects.

Installation and Compatibility

In terms of installation, both coolers are designed to support a wide range of Intel and AMD platforms. The Delta A40 comes equipped with all-metal mounting hardware, ensuring straightforward installation on mainstream platforms such as AMD AM4 and Intel LGA 115X series. The Thermalright Peerless Assassin also includes metal fasteners for various sockets, including Intel LGA 1150 through 2066 and AMD AM4 and AM5. However, the Delta A40’s ease of assembly may appeal more to novice builders looking for a hassle-free setup.

Aesthetics and Design

The Delta A40 features a striking design with circular elements and a mirror-like finish that enhances its visual appeal. Its ARGB lighting allows users to customize the look to fit their build’s theme. Conversely, the Thermalright Peerless Assassin has a more utilitarian design with a black painted finish, focusing on function over form. While both coolers have their unique aesthetics, the Delta A40 is likely to attract users who value RGB lighting and a more eye-catching appearance within their setups.

Durability and Build Quality

Durability is a key consideration when choosing a CPU cooler, and both models exhibit strong build quality. The Delta A40 employs a family fin array design that enhances durability while minimizing noise and improving heat dissipation. The Thermalright Peerless Assassin, with its full electroplating reflow welding process, offers a robust structure that is built to last. Both coolers are constructed with materials that ensure they can withstand the rigours of continuous operation, providing peace of mind for users.

User Experience and Reviews

User experiences can vary, but both the Delta A40 and the Thermalright Peerless Assassin have received positive feedback regarding their performance. The Delta A40 is often praised for its quiet operation and efficient cooling, especially in lower loads, while the Thermalright Peerless Assassin is recognised for its exceptional cooling capabilities under heavy loads due to its dual-fan setup. The choice between the two may ultimately depend on whether users prioritize aesthetics or raw cooling performance.

Which should you buy?

In conclusion, if you're looking for an affordable cooling solution that combines decent performance with striking aesthetics, the Delta A40 ARGB CPU Cooler is a compelling choice at C$19.29. However, if your primary concern is maximum cooling efficiency and you are willing to invest C$54.90 for a more robust solution, the Thermalright Peerless Assassin 120 Black CPU Air Cooler is hard to beat. Ultimately, your decision should align with your specific needs, whether it's budget constraints, aesthetic preferences, or cooling performance requirements.

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