Delta A40 ARGB CPU Cooler vs Thermalright Assassin X 120R SE V2 CPU Air Cooler
Updated August 2026 — The Delta A40 ARGB CPU Cooler offers better cooling performance and customization at a lower price, while the Thermalright Assassin X 120R SE V2 excels in quiet operation and brand reliability.
The Delta A40 ARGB CPU Cooler offers better cooling performance and customization at a lower price, while the Thermalright Assassin X 120R SE V2 excels in quiet operation and brand reliability.
Why Delta A40 ARGB CPU Cooler is better
Cooling Capacity
Delta A40 supports up to 220W power dissipation.
Price
Delta A40 is priced at C$19.29, lower than C$23.59.
Custom Lighting
Delta A40 features customizable ARGB lighting effects.
Why Thermalright Assassin X 120R SE V2 CPU Air Cooler is better
Brand Reputation
Thermalright has over 20 years of experience.
Noise Level
Thermalright operates at a lower noise level of ≤25.6 dB(A).
Fan Efficiency
Thermalright's fan runs efficiently at 1550 RPM.
Overall score
Specifications
| Spec | Delta A40 ARGB CPU Cooler | Thermalright Assassin X 120R SE V2 CPU Air Cooler |
|---|---|---|
| Brand | Ocypus | Thermalright |
| Socket Support | Intel/AMD | Intel/AMD |
| Fan Type | PWM | PWM |
| Lighting | ARGB | None |
| Installation | Easy | Detailed |
Dimension comparison
Price Comparison
When evaluating the Delta A40 ARGB CPU Cooler versus the Thermalright Assassin X 120R SE V2 CPU Air Cooler, price is a significant factor. The Delta A40 is currently priced at C$19.29, while the Thermalright Assassin X 120R SE V2 comes at a higher cost of C$23.59. This price difference of C$4.30 may seem minor, but it can be a crucial consideration for budget-conscious consumers. Understanding the value offered at these price points is essential for making an informed decision when selecting a CPU cooler.
Cooling Performance
Cooling performance is a critical aspect when choosing a CPU cooler, and both coolers offer distinct capabilities. The Delta A40 boasts a power dissipation capacity of up to 220W, making it suitable for handling demanding gaming and creative tasks. In contrast, the Thermalright Assassin X 120R SE V2 supports a slightly lower cooling capacity that is not explicitly stated but is indicated to be effective for common CPU loads, with an airflow of 66.17 CFM. While the Delta A40 may provide superior cooling performance for high-end systems, the Thermalright cooler’s efficiency and lower noise level (≤25.6 dB(A)) will appeal to users prioritizing quieter operation.
Design and Aesthetics
Aesthetics can greatly influence a buyer's choice, and both coolers present unique designs. The Delta A40 features a striking circular design with ARGB lighting capabilities, allowing users to customize their lighting effects through software. Its dynamic streamline design not only enhances aesthetics but also improves airflow while reducing noise. On the other hand, the Thermalright Assassin X 120R SE V2 adopts a more traditional approach with a sleek, high-quality finish and a self-luminous fan. While the Delta A40 excels in customizable lighting, the Assassin X provides a professional look that might appeal to users who prefer a more understated aesthetic.
Fan Efficiency
Fan efficiency is another area where both products differ significantly. The Delta A40 includes a 120mm PWM silent cooling fan that operates at speeds of 500-2000 RPM with an airflow of 73 CFM and a noise level of ≤29 dB(A). This suggests a balance of performance and quietness, particularly beneficial for high-performance systems. Conversely, the Thermalright Assassin X 120R SE V2’s fan runs at a maximum speed of 1550 RPM, delivering an airflow of 66.17 CFM with a lower noise level of ≤25.6 dB(A). This indicates that while both coolers are efficient, the Delta A40 offers higher airflow, which may translate to better cooling under load.
Installation Ease
Ease of installation is an often-overlooked aspect that can influence purchasing decisions. The Delta A40 is designed for straightforward assembly, featuring all-metal mounting hardware compatible with both Intel and AMD platforms. This ensures that it can be installed without hassle across various systems. Similarly, the Thermalright Assassin X 120R SE V2 also provides detailed installation instructions and compatibility with a wide range of Intel and AMD socket types, including AM5. Both coolers seem to offer user-friendly installation processes, but the Delta A40’s explicit mention of ease and support for mainstream platforms may give it an edge in this category.
Brand Reputation
Brand reputation plays a vital role in consumer confidence. Ocypus, the maker of the Delta A40, is less known compared to Thermalright, which has over 20 years of experience in the industry and a solid standing in the player market. This established history gives Thermalright a perceived reliability that might sway consumers towards the Assassin X 120R SE V2. However, Ocypus’s innovative design and features in the Delta A40 may appeal to those looking for cutting-edge performance, suggesting that new brands can still compete effectively with established names.
User Experience
User experience encompasses both performance and satisfaction during operation. The Delta A40 promises efficient performance with a focus on high loads and customizable lighting, which can greatly enhance a user’s interaction with their PC build. In contrast, the Thermalright Assassin X 120R SE V2 highlights its low noise levels and long service life, thanks to its S-FDB bearings and AGHP technique. Users who prioritize a quiet operating environment and reliability may find the Assassin X more appealing, while those seeking performance and aesthetics may gravitate towards the Delta A40.
Which should you buy?
In conclusion, both the Delta A40 ARGB CPU Cooler and the Thermalright Assassin X 120R SE V2 CPU Air Cooler have their strengths and weaknesses. The Delta A40 offers superior cooling performance, customizable aesthetics, and a lower price point, making it an attractive option for gamers and creative professionals. Conversely, the Thermalright Assassin X focuses on brand reliability, quiet operation, and proven efficiency, making it a solid choice for those who value these features. Ultimately, the decision will depend on individual priorities: whether you prefer performance and aesthetics or brand trust and low-noise operation.
versusfinder.com is a participant in the Amazon.ca Associates Program. As an Amazon Associate we earn from qualifying purchases, at no extra cost to you.

