Thermalright Assassin X 120R SE Plus CPU Cooler - 4×6mm Heat Pipes vs Thermalright AXP90 X53 Full Low Profile ITX CPU Cooler with 92mm Slim PWM Fan fo
Updated August 2026 — The Thermalright Assassin X 120R SE Plus offers better airflow and quieter operation at a lower price, making it the preferred choice for most users. However, the AXP90 X53 is ideal for compact builds.
The Thermalright Assassin X 120R SE Plus offers better airflow and quieter operation at a lower price, making it the preferred choice for most users. However, the AXP90 X53 is ideal for compact builds.
Why Thermalright Assassin X 120R SE Plus CPU Cooler - 4×6mm Heat Pipes is better
Airflow
Assassin X 120R SE Plus has 66.17 CFM airflow.
Noise Level
Assassin X 120R SE Plus operates at 25.6 dB(A).
Price
Assassin X 120R SE Plus costs C$25.59.
Why Thermalright AXP90 X53 Full Low Profile ITX CPU Cooler with 92mm Slim PWM Fan fo is better
Compact Design
AXP90 X53 is only 53mm tall.
High RPM
AXP90 X53 fan can reach 2700 RPM.
Specialization
AXP90 X53 is designed for low-profile applications.
Overall score
Specifications
| Spec | Thermalright Assassin X 120R SE Plus CPU Cooler - 4×6mm Heat Pipes | Thermalright AXP90 X53 Full Low Profile ITX CPU Cooler with 92mm Slim PWM Fan fo |
|---|---|---|
| Max RPM | 1550 | 2700 |
| Max CFM | 66.17 | N/A |
| Noise Level | 25.6 dB(A) | N/A |
| Socket Support | LGA 1150-1700, AM4/AM5 | LGA 1150-1700, AM4/AM5 |
| Bearing Type | S-FDB | STABLY-FDB V2 |
Dimension comparison
Brand Overview
Both the Thermalright Assassin X 120R SE Plus CPU Cooler and the Thermalright AXP90 X53 Full Low Profile ITX CPU Cooler are products from Thermalright, a reputable Taiwanese brand with over 20 years of experience in the market. Thermalright is well-known for its focus on research and development in computer accessories, ensuring a significant influence in the PC gaming and enthusiast communities. This long-standing expertise allows both products to leverage advanced cooling technologies, making them reliable options for users looking to enhance their cooling solutions.
Cooling Performance
The Thermalright Assassin X 120R SE Plus is equipped with a dual-fan system that delivers a maximum airflow of 66.17 CFM at a noise level of only 25.6 dB(A). In contrast, the AXP90 X53 features a single 92mm PWM fan capable of reaching speeds up to 2700 RPM, which is designed for high performance in compact builds. While the Assassin X 120R SE Plus provides greater airflow and lower noise, the AXP90 X53's higher RPM allows it to maintain efficient cooling in tight spaces where airflow might be restricted. This makes each cooler suitable for different types of builds and user preferences.
Design and Dimensions
The Thermalright Assassin X 120R SE Plus boasts a more robust structure with its dual fans and a larger footprint, making it suitable for standard ATX cases. On the other hand, the AXP90 X53 is specifically designed for low-profile applications, measuring only 53mm in height. This compact design is ideal for small form factor (SFF) cases and ITX builds, where space is at a premium. The choice between these two designs ultimately depends on the user's case specifications and aesthetic preferences.
Installation and Compatibility
Both coolers support a range of CPU sockets, including Intel's LGA 1150 through 1700 and AMD's AM4/AM5 platforms. However, installation processes vary slightly. The Assassin X 120R SE Plus comes with straightforward mounting hardware designed for easy installation across different platforms. Conversely, the AXP90 X53 includes specific instructions for installation, particularly if conflicts arise with motherboard components. This attention to detail in the AXP90 X53's installation may appeal to users building in tighter spaces, despite potentially requiring more effort during setup.
Noise Levels
Noise levels are critical for users who prioritize a quiet computing environment. The Thermalright Assassin X 120R SE Plus operates at a maximum noise level of 25.6 dB(A), ensuring a quiet operation even under load. In contrast, while the AXP90 X53 does not specify its noise levels, the design of its high-speed 92mm fan suggests that it may operate at a higher noise level, especially at maximum RPM. Users looking for a whisper-quiet cooler may prefer the Assassin X 120R SE Plus, while those needing compact cooling might consider the trade-off with the AXP90 X53.
Price Comparison
In terms of pricing, the Thermalright Assassin X 120R SE Plus is currently available for C$25.59, making it an affordable option for budget-conscious consumers. The AXP90 X53, however, is priced at C$45.99, reflecting its specialized design and high-performance capabilities. This significant price difference of C$20.40 may impact purchasing decisions, especially for users who need to balance performance against budget constraints.
Build Quality and Durability
Both coolers feature high-quality construction, but their bearing technologies differ. The Assassin X 120R SE Plus uses S-FDB bearings, which are known for reducing noise and increasing the longevity of the fan. The AXP90 X53 employs STABLY-FDB V2 bearings, also designed to enhance durability and performance. Both products claim an impressive industrial service life of up to 20,000 hours, ensuring that users can rely on them for extended periods. The choice here may come down to brand loyalty or specific performance features.
Which should you buy?
Ultimately, the choice between the Thermalright Assassin X 120R SE Plus and the Thermalright AXP90 X53 depends on your specific needs and build type. If you require a cooler with greater airflow and quieter operation, the Assassin X 120R SE Plus is the better choice at a more affordable price of C$25.59. However, if you're working with a compact ITX build and need a low-profile solution, the AXP90 X53, while pricier at C$45.99, offers specialized features that justify its cost. Consider your case size, cooling needs, and budget when making your final decision.
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