Thermalright Assassin X120 Refined SE CPU Air vs Thermalright AXP90-X53 Full Cooper Low Profile CPU
Updated July 2026 — Thermalright Assassin X120 Refined SE CPU Air wins on height and length, Thermalright AXP90-X53 Full Cooper Low Profile CPU wins on width.
The Thermalright Assassin X120 offers superior cooling performance and value, while the AXP90-X53 excels in compact builds.
Why Thermalright Assassin X120 Refined SE CPU Air is better
Airflow
Assassin X120 has 66.17 CFM vs AXP90-X53's 42.58 CFM
Price
Assassin X120 is $17.90 compared to AXP90-X53's $35.90
Heat Pipes
Assassin X120 features 4 heat pipes vs AXP90-X53's 2
Why Thermalright AXP90-X53 Full Cooper Low Profile CPU is better
Build Quality
AXP90-X53 is fully copper for better heat transfer
Height
AXP90-X53 is only 53mm tall, ideal for compact builds
Noise Level
AXP90-X53 operates at 22.4 dB(A), quieter than Assassin X120's 25.6 dB(A)
Overall score
Specifications
| Spec | Thermalright Assassin X120 Refined SE CPU Air | Thermalright AXP90-X53 Full Cooper Low Profile CPU |
|---|---|---|
| Price | $17.90 | $35.90 |
| Noise Level | 25.6 dB(A) | 22.4 dB(A) |
| Heat Pipes | 4 | 2 |
| Material | Aluminum | Copper |
| Compatibility | Intel/AMD | Intel/AMD |
Dimension comparison
Overview of Thermalright Assassin X120 Refined SE CPU Air Cooler
The Thermalright Assassin X120 Refined SE CPU Air Cooler is priced at $17.90, making it a budget-friendly option for cooling solutions. This cooler features four heat pipes, a TL-C12C PWM fan, and employs AGHP technology for efficient heat dissipation. With dimensions of 125mm x 71mm x 148mm and a weight of 0.645 kg, it is designed to fit a variety of Intel and AMD sockets, including AM4 and LGA 1700. The cooler boasts a maximum airflow of 66.17 CFM while maintaining a noise level of 25.6 dB(A), which is relatively quiet for a CPU cooler in its class.
Overview of Thermalright AXP90-X53 Full Cooper Low Profile CPU Cooler ITX
The Thermalright AXP90-X53 Full Cooper Low Profile CPU Cooler is priced significantly higher at $35.90, positioning it as a premium option for compact builds. This cooler features a fully copper construction and a 92mm TL-9015R slim PWM fan, providing excellent thermal performance. With a total height of just 53mm, it is ideal for small form factor cases like HTPC and ITX builds. The AXP90-X53 offers a maximum airflow of 42.58 CFM and operates at a noise level of 22.4 dB(A), making it quieter than many competitors while maintaining efficiency.
Cooling Performance Comparison
In terms of cooling performance, the Thermalright Assassin X120 Refined SE outperforms the AXP90-X53 in airflow, with a maximum of 66.17 CFM compared to 42.58 CFM. This translates to better cooling capabilities, especially for higher TDP CPUs. The Assassin X120 also features four heat pipes, which enhance thermal transfer efficiency. On the other hand, the AXP90-X53's low profile design allows it to fit into tighter spaces while still providing adequate cooling. Its use of pure copper material further improves heat dissipation and resistance to oxidation, which may appeal to users seeking longevity in their cooling solutions.
Noise Levels and Fan Efficiency
Noise levels are a crucial factor for many PC builders, and both coolers maintain relatively low operational sounds. The Thermalright Assassin X120 has a maximum noise level of 25.6 dB(A), which is slightly louder than the AXP90-X53's 22.4 dB(A). This difference may be important for users building a quiet workstation or media center. Additionally, both fans utilize PWM technology, allowing for automatic speed adjustments based on CPU temperature, ensuring efficient cooling without excessive noise.
Compatibility with CPU Sockets
Both coolers boast broad compatibility with various CPU sockets, making them versatile choices for different builds. The Thermalright Assassin X120 supports Intel sockets 1150, 1151, 1155, 1200, 1700, and AMD AM4/AM5. Meanwhile, the AXP90-X53 supports a similar range of sockets, including Intel 1700, 1150, and AMD AM4/AM5. This compatibility ensures that users can select either cooler without worrying about fitting issues, which is essential for custom builds.
Build Quality and Design
The build quality of both coolers is commendable, with the Assassin X120 featuring an aluminum heatsink and metal fasteners, while the AXP90-X53 utilizes a fully copper construction. The pure copper design of the AXP90-X53 may offer superior heat transfer, but the aluminum heatsink of the Assassin X120 is still robust and effective for most use cases. The aesthetic design of both coolers is appealing, with the Assassin X120 showcasing a more traditional tower design, whereas the AXP90-X53's low profile makes it sleek and unobtrusive, which is ideal for compact builds.
Price Comparison
The price difference between the two coolers is significant, with the Thermalright Assassin X120 priced at $17.90 and the AXP90-X53 at $35.90. This means the AXP90-X53 is about 100% more expensive than the Assassin X120. For budget-conscious buyers, the Assassin X120 offers excellent value for money, especially given its superior airflow and cooling performance. However, for those who require a low-profile solution without compromising on quality, the AXP90-X53 justifies its higher price with its unique design and materials.
Which should you buy?
Choosing between the Thermalright Assassin X120 Refined SE and the AXP90-X53 ultimately depends on your specific needs and build requirements. If you prioritize cooling performance and airflow, the Assassin X120 is the better option due to its higher CFM and lower price. However, if you're building a compact system and need a low-profile cooler, the AXP90-X53 offers excellent thermal capabilities in a space-saving design. Consider your budget and system compatibility to make the best choice for your cooling needs.

