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Delta A40 ARGB CPU Cooler vs Thermalright Assassin X 90 SE V2 CPU Cooler

Updated August 2026The Delta A40 ARGB offers stylish design and customizable lighting at a lower price, while the Thermalright Assassin X 90 SE V2 excels in quieter operation and proven reliability. Choose based on your preference for aesthetics or performance.

The Delta A40 ARGB offers stylish design and customizable lighting at a lower price, while the Thermalright Assassin X 90 SE V2 excels in quieter operation and proven reliability. Choose based on your preference for aesthetics or performance.

Why Delta A40 ARGB CPU Cooler is better

lower price

Delta A40 ARGB costs C$19.29

custom lighting

Delta A40 ARGB features customizable ARGB lighting

higher power dissipation

Delta A40 ARGB supports up to 220W power dissipation

Why Thermalright Assassin X 90 SE V2 CPU Cooler is better

quieter operation

Assassin X 90 SE V2 operates at 23.85 dB(A)

better build quality

Assassin X 90 SE V2 uses industrial-grade materials

longer service life

Assassin X 90 SE V2 has a service life of up to 20000 hours

Overall score

Delta A40 ARGB CPU Cooler
75
Thermalright Assassin X 90 SE V2 CPU Cooler
82

Specifications

SpecDelta A40 ARGB CPU CoolerThermalright Assassin X 90 SE V2 CPU Cooler
BrandOcypusThermalright
PriceC$19.29C$24.90
CompatibilityAMD AM4, Intel LGAAMD AM4/AM5, Intel 1150-1200
Fan TypePWMPWM
Cooling TechStandardAGHP

Dimension comparison

Delta A40 ARGB CPU CoolerThermalright Assassin X 90 SE V2 CPU Cooler

Overview of the Products

In this comparison, we will look at the Delta A40 ARGB CPU Cooler and the Thermalright Assassin X 90 SE V2 CPU Cooler. The Delta A40 ARGB is priced at C$19.29, while the Thermalright Assassin X 90 SE V2 comes in at C$24.90. Both coolers are designed for efficient CPU cooling, but they target slightly different needs and preferences.

Design and Aesthetics

The Delta A40 ARGB features a unique circular design adorned with mirror-like elements, offering both aesthetic appeal and a modern look. Its rounded edges contribute to its visual enjoyment, making it a great choice for those who value style in their build. On the other hand, the Thermalright Assassin X 90 SE V2 adopts a more traditional cooler design with a height of 118mm, which is compatible with a wide range of chassis models. The cooler’s industrial-grade materials and robust construction provide a sense of durability, appealing to users who prefer a more utilitarian design.

Cooling Performance

In terms of performance, the Delta A40 ARGB handles power dissipation up to 220W, which is essential for gaming and demanding creative tasks. It features a 120mm PWM silent fan with an airflow of 73 CFM and operates at a noise level of 29 dB(A). This balance of airflow and noise level makes it suitable for quiet operation. Conversely, the Thermalright Assassin X 90 SE V2 employs a 92mm PWM fan that achieves a maximum airflow of 32.77 CFM while maintaining a noise level of 23.85 dB(A). Although the Assassin X 90 SE V2 has a lower airflow, its advanced AGHP technique enhances cooling efficiency, particularly in compact spaces.

Installation and Compatibility

When it comes to installation, the Delta A40 ARGB offers a straightforward assembly process with all-metal mounting hardware that supports both Intel and AMD platforms. It is compatible with AMD AM4 and Intel LGA 115X/1200/1700/1851 sockets, making it versatile for various builds. In contrast, the Thermalright Assassin X 90 SE V2 also provides comprehensive compatibility, supporting Intel sockets 1150 through 1200 and AMD AM4/AM5. Its installation comes with detailed instructions, ensuring that even less experienced builders can set it up without hassle.

Noise Levels

Noise levels are a crucial consideration for many users, especially those who prefer a quiet working environment. The Delta A40 ARGB operates at a maximum noise level of 29 dB(A), which is relatively quiet for a cooler handling high loads. On the other hand, the Thermalright Assassin X 90 SE V2 is quieter, operating at a maximum of 23.85 dB(A). This makes the Assassin X 90 SE V2 a better option for users who prioritise silence alongside cooling performance.

Lighting Features

A standout feature of the Delta A40 ARGB is its customizable ARGB lighting effects. Users can easily adjust various lighting configurations through control software, allowing for a personalised touch in their builds. This makes the Delta A40 particularly appealing to gamers and PC builders who want to showcase their setups. The Thermalright Assassin X 90 SE V2, however, does not feature any lighting effects, focusing instead on performance and reliability. This may appeal to users who prefer a more understated aesthetic without the distraction of RGB lighting.

Brand Reputation and Reliability

Both brands have established a reputation in the CPU cooler market. Ocypus, the brand behind the Delta A40 ARGB, is known for innovative designs and competitive pricing. The Thermalright brand has over 20 years of experience and is recognised for its quality and reliability. The Assassin X 90 SE V2 is built with industrial-grade materials, which contributes to its durability. Users may prefer the trusted history of Thermalright, especially those who have had positive experiences with their products in the past.

Which should you buy?

Choosing between the Delta A40 ARGB and the Thermalright Assassin X 90 SE V2 ultimately depends on your specific needs and preferences. If you’re looking for a stylish cooler with robust cooling performance and customisable lighting, the Delta A40 ARGB at C$19.29 would be a great choice. However, if you prioritise quieter operation, proven reliability, and a slightly better build quality, the Thermalright Assassin X 90 SE V2, priced at C$24.90, is worth the investment. Your decision should align with whether aesthetics or performance and silence are more important to your particular build.

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Delta A40 ARGB CPU Cooler vs Thermalright Assassin X 90 SE V2 CPU Cooler | versusfinder