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Thermalright Assassin X 120R Digital ARGB Black vs Thermalright AXP120-X67 Low Profile CPU Air Cooler

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

The Thermalright Assassin X 120R offers better performance and aesthetic features, while the AXP120-X67 excels in compact builds and quiet operation.

Why Thermalright Assassin X 120R Digital ARGB Black is better

Higher RPM

Assassin X 120R has a fan speed of 2000 RPM compared to 1800 RPM of AXP120-X67.

ARGB Features

Assassin X 120R includes digital ARGB lighting for aesthetic appeal.

Heat Pipe Technology

Assassin X 120R utilizes advanced AGHP heat pipe technology.

Why Thermalright AXP120-X67 Low Profile CPU Air Cooler is better

Compact Design

AXP120-X67 has a low-profile height of 67mm.

Lower Noise

AXP120-X67 operates at a maximum noise level of 26.1 dB(A).

More Heat Pipes

AXP120-X67 features six heat pipes for enhanced heat dissipation.

Overall score

Thermalright Assassin X 120R Digital ARGB Black
85
Thermalright AXP120-X67 Low Profile CPU Air Cooler
75

Specifications

SpecThermalright Assassin X 120R Digital ARGB BlackThermalright AXP120-X67 Low Profile CPU Air Cooler
Max RPM20001800
AirflowN/A59 CFM
Noise LevelN/A26.1 dB(A)
Socket CompatibilityAM4/AM5, LGA1700/1150/1151/1200AM4, LGA1700/1150/1151/1155/1156/1200
Price$22.90$27.99

Dimension comparison

Thermalright Assassin X 120R Digital ARGB BlackThermalright AXP120-X67 Low Profile CPU Air Cooler

Overview of Thermalright Assassin X 120R Digital ARGB Black

The Thermalright Assassin X 120R Digital ARGB Black CPU Air Cooler is a high-performance cooling solution designed for gamers and enthusiasts. Priced at $22.90, it presents an attractive option for those looking to maintain optimal CPU temperatures. This cooler boasts a maximum fan speed of 2000 RPM, which is adjustable via PWM functionality, ensuring that it can respond to temperature changes without manual intervention. Additionally, its unique digital screen top cover provides both aesthetic and functional appeal, allowing users to monitor performance while adding a touch of style to their setup.

Overview of Thermalright AXP120-X67 Low Profile

On the other hand, the Thermalright AXP120-X67 Low Profile CPU Air Cooler is available for $27.99, making it approximately 22% more expensive than the Assassin X 120R. This cooler is specifically designed for compact builds, with a height of just 67mm, making it an excellent choice for smaller cases where space is a concern. It features a PWM fan with a maximum speed of 1800 RPM, delivering airflow of up to 59 CFM while maintaining a noise level of no more than 26.1 dB(A). The AXP120-X67 also utilizes six heat pipes to enhance heat dissipation, making it a formidable contender in the low-profile CPU cooler market.

Performance Comparison

When it comes to performance, the Thermalright Assassin X 120R offers a higher maximum fan speed of 2000 RPM compared to the 1800 RPM of the AXP120-X67. This could translate to better cooling performance under load, particularly for users running high-performance CPUs. The Assassin X 120R is equipped with four heat pipes that employ AGHP heat pipe technology, which enhances heat transfer efficiency. In contrast, the AXP120-X67 utilizes six heat pipes, which may provide better cooling performance in compact environments. Ultimately, both coolers are engineered for effective heat dissipation, but the Assassin X 120R has the edge in raw fan speed and cooling potential.

Noise Levels

Noise levels are a crucial factor for many users, especially those who prioritize a quiet operation. The Thermalright AXP120-X67 is designed to operate at a maximum noise level of 26.1 dB(A), making it a good option for silent builds. Meanwhile, the Assassin X 120R does not specify a maximum noise level, but its lively fan speed of 2000 RPM could result in higher noise under load. While both coolers are engineered with features to minimize noise—such as silicone corner pads on the Assassin X 120R—the AXP120-X67 may be the better choice for users who prioritize a quieter computing environment.

Installation and Compatibility

Both the Thermalright Assassin X 120R and AXP120-X67 are compatible with a wide range of CPU sockets, including AMD AM4/AM5 and Intel LGA1700/1150/1151/1200. The Assassin X 120R has a height of 151mm, making it compatible with most cases without sacrificing heat dissipation performance. In contrast, the AXP120-X67, with its low-profile design, is particularly suited for compact builds. This cooler measures just 67mm in height, allowing it to fit in tighter spaces where standard coolers might struggle. For users with limited vertical clearance in their cases, the AXP120-X67 is clearly the more advantageous option.

Aesthetic Appeal

Aesthetics can be a deciding factor for many PC builders, and here the Thermalright Assassin X 120R shines with its digital ARGB features. The cooler's colorful lighting can be synchronized with the motherboard for a cohesive look, enhancing the visual appeal of any gaming setup. The digital screen on the top cover not only adds to its aesthetic value but also provides real-time performance information. While the AXP120-X67 does not feature ARGB lighting, it does maintain a sleek and professional appearance, appealing to those who prefer a more subdued look.

Brand Reputation and Reliability

Thermalright has established a reputable presence in the CPU cooler market over the past 20 years, known for their innovative cooling solutions. Both the Assassin X 120R and AXP120-X67 are products of this legacy, with the brand focusing on research and development in the realm of CPU cooling. The reliability of both coolers is supported by their robust construction and the use of high-quality materials. Users can trust that either option will deliver reliable performance, backed by Thermalright's commitment to quality.

Which should you buy?

In conclusion, choosing between the Thermalright Assassin X 120R and the AXP120-X67 boils down to your specific needs and preferences. If you are looking for a cooler with higher performance capabilities and aesthetic features, the Assassin X 120R at $22.90 is a compelling choice. However, if you need a low-profile cooler that excels in compact spaces and operates quietly, the AXP120-X67 at $27.99 may be the better option. Each cooler offers distinct advantages, making your choice dependent on your individual requirements and build constraints.