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Thermalright Assassin King 120 SE White ARGB CPU vs Thermalright AXP90 X47 Full Low Profile CPU Cooler,

Updated August 2026 — Thermalright Assassin King 120 SE White ARGB CPU wins on aesthetics and build quality, Thermalright AXP90 X47 Full Low Profile CPU Cooler, wins on design.

The Thermalright Assassin King 120 SE offers better cooling performance and value, while the AXP90 X47 excels in compact design. Choose based on your space and performance needs.

Why Thermalright Assassin King 120 SE White ARGB CPU is better

Cooling Performance

Higher airflow of 66.17 CFM

Price

Cheaper at $19.82

Compatibility

Supports more CPU sockets

Why Thermalright AXP90 X47 Full Low Profile CPU Cooler, is better

Size

Only 47mm height for compact builds

Noise Level

Quieter operation at 22.4 dB(A)

Material

Pure copper base for better heat conductivity

Overall score

Thermalright Assassin King 120 SE White ARGB CPU
85
Thermalright AXP90 X47 Full Low Profile CPU Cooler,
78

Specifications

SpecThermalright Assassin King 120 SE White ARGB CPUThermalright AXP90 X47 Full Low Profile CPU Cooler,
Air Flow66.17 CFM42.58 CFM
Noise Level25.6 dB(A)22.4 dB(A)
Socket SupportLGA 1700, AM4LGA 1150, AM4
Fan TypePWMPWM
Price$19.82$33.99

Dimension comparison

Thermalright Assassin King 120 SE White ARGB CPUThermalright AXP90 X47 Full Low Profile CPU Cooler,

Overview of Thermalright Assassin King 120 SE White ARGB CPU Cooler

The Thermalright Assassin King 120 SE White ARGB CPU Cooler is a well-rounded option for users seeking efficient cooling performance. Priced at $19.82, it offers a competitive solution for a variety of CPU sockets including Intel LGA1700 and AMD AM4. This air cooler features five heat pipes and an efficient PWM fan, ensuring both low noise and effective heat dissipation, making it suitable for medium-sized cases.

With dimensions of 120mm x 73mm x 148mm and a weight of 0.64 kg, this cooler is designed with compatibility and performance in mind. The stylish ARGB lighting also adds an aesthetic appeal for builders looking to enhance their system's visuals.

Overview of Thermalright AXP90 X47 Full Low Profile CPU Cooler

The Thermalright AXP90 X47 Full Low Profile CPU Cooler stands out with its ultra-compact design, measuring only 47mm in height, and is priced at $33.99. This makes it a great choice for users with limited space in their builds, such as ITX cases. The cooler features a pure copper base and four heat pipes, which contribute to its effective heat transfer capabilities.

Designed for compatibility with various Intel and AMD sockets, this cooler's small footprint does not compromise on performance, as it includes a 92mm PWM fan that operates quietly, with a noise level of just 22.4 dB(A). For users prioritizing space-saving solutions without sacrificing cooling efficiency, this cooler is an excellent option.

Design and Build Quality

The Thermalright Assassin King 120 SE White ARGB boasts a stylish design complemented by its ARGB lighting, which enhances the aesthetic of any build. The cooler’s height of 148mm makes it appropriate for medium-sized cases, while its aluminum heat sink ensures durability. The metal fasteners provided for Intel and AMD sockets further contribute to its robust build quality.

In contrast, the Thermalright AXP90 X47’s low-profile design, with a total height of only 47mm, makes it particularly appealing for compact builds. Its pure copper base enhances heat conductivity and durability. The plating anti-oxidation protective layer also provides an additional level of protection against corrosion. While the AXP90 X47 may not have the flashy lighting of the Assassin King, its compact and sturdy design is tailored for space-constrained environments.

Cooling Performance

The cooling performance of both coolers is commendable but varies based on their designs. The Thermalright Assassin King 120 SE features five heat pipes and a 120mm PWM fan that can achieve an air flow of 66.17 CFM at a maximum noise level of 25.6 dB(A). This combination ensures effective cooling for higher-end CPUs, making it suitable for more demanding tasks.

On the other hand, the Thermalright AXP90 X47 offers a slightly different approach to cooling. Its 92mm PWM fan delivers an air flow of 42.58 CFM, which is efficient for its low-profile design. With a noise level of just 22.4 dB(A), it provides a quieter operation, which might appeal to users seeking a silent PC build. However, for users with more powerful CPUs, the higher air flow of the Assassin King may present a noticeable advantage.

Compatibility and Installation

Compatibility is a key factor when choosing a CPU cooler, and both the Thermalright Assassin King 120 SE and the AXP90 X47 excel in this regard. The Assassin King supports a wide range of sockets including Intel’s LGA 1700, 1150, 1151, and AMD’s AM4. Its included mounting hardware ensures a straightforward installation process across different platforms.

Similarly, the AXP90 X47 is compatible with Intel LGA 1150, 1151, 1200, and AMD AM4 and AM5 sockets. Its compact size makes it easier to fit into tighter spaces during installation. While both coolers offer solid compatibility, the Assassin King’s versatility in supporting more socket types may provide added value for users with varied setups.

Price Comparison

When considering price, the Thermalright Assassin King 120 SE is priced at $19.82, making it about 17% cheaper than the Thermalright AXP90 X47, which retails for $33.99. This price difference may sway budget-conscious consumers looking for effective cooling without breaking the bank. The Assassin King offers great performance for its price, particularly for users who do not need a low-profile cooler.

However, the AXP90 X47's design and performance may justify its higher price for users with specific needs, such as compact builds where space is a premium. Ultimately, the choice depends on the user's specific requirements and budget constraints.

User Experience and Feedback

User experiences can provide valuable insight into the performance of CPU coolers. The Thermalright Assassin King 120 SE has received positive feedback for its cooling efficiency and aesthetic appeal, particularly in builds that showcase ARGB lighting. Users appreciate its quiet operation and effective heat dissipation when handling demanding applications.

Conversely, the Thermalright AXP90 X47 is praised for its compact design and suitability for small form factor builds. Customers have noted its impressive cooling performance relative to its size, making it a popular choice among ITX builders. The low noise level during operation is another frequently mentioned advantage, appealing to users who prioritize a quiet workspace.

Which should you buy?

Choosing between the Thermalright Assassin King 120 SE White ARGB and the AXP90 X47 ultimately comes down to your specific needs and preferences. If you are looking for a cost-effective, visually appealing cooler with robust performance for a variety of CPUs, the Assassin King is an excellent choice. On the other hand, if you need a compact solution for a small build or have specific space constraints, the AXP90 X47 offers great performance in a low-profile package. Consider your system requirements and personal preferences to make the best decision for your cooling needs.