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Thermalright Assassin X 120R Digital ARGB Black vs Thermalright AXP90 X47 Black Low Profile CPU Cooler

Updated August 2026 — Thermalright Assassin X 120R Digital ARGB Black leads on aesthetics and fan tech.

The Thermalright Assassin X 120R offers superior cooling performance and aesthetic features, while the AXP90 X47 excels in compactness and quiet operation. Choose based on your specific needs.

Why Thermalright Assassin X 120R Digital ARGB Black is better

Cooling Performance

Assassin X 120R has higher airflow and cooling efficiency.

Aesthetics

RGB lighting and digital screen enhance visual appeal.

Compatibility

Wider socket support for various builds.

Why Thermalright AXP90 X47 Black Low Profile CPU Cooler is better

Size

AXP90 X47 is more suitable for compact builds.

Noise Levels

AXP90 X47 operates quieter at 22.4 DBA.

Price

AXP90 X47 is more affordable at $22.39.

Overall score

Thermalright Assassin X 120R Digital ARGB Black
85
Thermalright AXP90 X47 Black Low Profile CPU Cooler
75

Specifications

SpecThermalright Assassin X 120R Digital ARGB BlackThermalright AXP90 X47 Black Low Profile CPU Cooler
Fan Speed2000 RPMN/A
Air Volume70.84 CFMN/A
Socket SupportLGA 1851/1700/1150/1151/1155/1156/1200, AM4/AM5LGA 1150/1151/1155/1851/1200, AM4/AM5
MaterialAluminumMetal
Cooling TechnologyHeat PipesHeat Pipes

Dimension comparison

Thermalright Assassin X 120R Digital ARGB BlackThermalright AXP90 X47 Black Low Profile CPU Cooler

Design and Aesthetics

The Thermalright Assassin X 120R Digital ARGB Black CPU Cooler features a modern design with a digital screen top cover that displays real-time CPU and GPU metrics. In contrast, the Thermalright AXP90 X47 Black Low Profile CPU Cooler boasts a more compact and understated design suitable for smaller builds.

The Assassin X 120R stands out with its RGB lighting capabilities, allowing users to synchronize lighting effects with their motherboard’s ARGB system. This cooler is designed for both performance and aesthetic appeal, making it a great choice for those who prioritize visuals in their builds. Conversely, the AXP90 X47, with its sleek 47mm height, is ideal for users with limited space, offering a no-frills approach that emphasizes practicality over flashiness.

Cooling Performance

When it comes to cooling efficiency, the Thermalright Assassin X 120R has a significant advantage due to its larger size and higher airflow capabilities. It uses a TL-P12-S PWM fan with a maximum speed of 2000 RPM, providing an air volume of 70.84 CFM. This cooler is designed to dissipate heat effectively, making it suitable for high-performance CPUs.

On the other hand, the AXP90 X47 features a 92mm TL-9015B slim PWM fan with maximum noise levels of 22.4 DBA. While it is designed to maintain reasonable temperatures, its performance may be limited compared to the more robust Assassin X 120R, particularly under heavy loads. Therefore, for users seeking maximum cooling performance, the Assassin X 120R is the clear winner.

Compatibility

The Thermalright Assassin X 120R offers wide compatibility with both Intel and AMD platforms, supporting sockets such as Intel LGA 1851, 1700, 1150, 1151, 1155, 1156, and 1200, as well as AMD AM4 and AM5. This extensive compatibility makes it a versatile option for a range of builds.

In comparison, the AXP90 X47 is also compatible with a variety of Intel and AMD sockets, including Intel 1150, 1151, 1155, 1851, 1200, and AMD AM4 and AM5. While both coolers provide excellent compatibility, the Assassin X 120R may have a slight edge in versatility due to its broader socket support. However, both products are well-suited for modern CPUs.

Noise Levels

When considering noise levels, the AXP90 X47 is notably quieter with a maximum operational noise of 22.4 DBA, making it an excellent choice for users who prioritize a silent computing experience. This low-profile cooler is designed to run quietly, even under load.

In contrast, the Assassin X 120R operates at a noise level of ≤29.8 DBA, which is slightly louder but still acceptable for a performance-oriented cooler. Users who are less concerned about noise and more focused on cooling performance may find the additional noise worthwhile, while those looking for silence may prefer the AXP90 X47.

Size and Form Factor

The Thermalright Assassin X 120R has a height of 151mm, making it compatible with most cases without sacrificing heat dissipation performance. This larger size allows for greater heat dissipation but may not fit in compact builds.

Conversely, the AXP90 X47 is exceptionally low-profile at only 47mm tall, making it an ideal choice for small form-factor (SFF) cases and ITX builds. Its compact design does not compromise on quality, but it is essential for users to consider their case dimensions when selecting their cooler. Thus, the AXP90 X47 is the superior choice for compact builds.

Price Point

The Thermalright Assassin X 120R is priced at $24.90, while the AXP90 X47 is slightly more affordable at $22.39. The price difference of about 6% may make the AXP90 X47 a more appealing option for budget-conscious consumers.

However, when evaluating price against features, the Assassin X 120R offers enhanced cooling performance and aesthetic features, which could justify the higher price for users looking for those benefits. Ultimately, the decision may come down to individual budget considerations and desired features.

Brand Reputation

Both products come from Thermalright, a brand known for its reliable and quality CPU coolers. Users can expect a certain level of performance and durability with both models. Thermalright has built a solid reputation in the cooling industry, and both coolers reflect the brand's commitment to quality.

While the brand's reputation is strong for both products, customers will need to decide which model aligns best with their priorities—performance and aesthetics with the Assassin X 120R or compactness and low noise with the AXP90 X47.

Which should you buy?

In conclusion, the choice between the Thermalright Assassin X 120R Digital ARGB Black CPU Cooler and the Thermalright AXP90 X47 Black Low Profile CPU Cooler will largely depend on your specific needs and build preferences. If you are looking for superior cooling performance, aesthetic features, and broad compatibility, the Assassin X 120R is the better option despite its higher price of $24.90. Conversely, if you prioritize a compact design and quieter operation in a budget-friendly package, the AXP90 X47 at $22.39 might be the ideal cooler for your build.