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Thermalright Peerless Assassin 120 Black CPU Air Cooler vs Thermalright Assassin King 120 SE ARGB CPU Air Cooler

Updated August 2026The Thermalright Peerless Assassin 120 Black offers superior cooling performance and broader compatibility, making it the better choice for high-end CPUs. The Assassin King 120 SE ARGB is a budget-friendly option with appealing aesthetics.

The Thermalright Peerless Assassin 120 Black offers superior cooling performance and broader compatibility, making it the better choice for high-end CPUs. The Assassin King 120 SE ARGB is a budget-friendly option with appealing aesthetics.

Why Thermalright Peerless Assassin 120 Black CPU Air Cooler is better

Cooling Performance

Higher fan speed and effective heat dissipation area

Compatibility

Supports a wider range of CPU sockets

Build Quality

Superior materials and construction

Why Thermalright Assassin King 120 SE ARGB CPU Air Cooler is better

Price

More affordable option

Aesthetics

ARGB lighting for customization

Weight

Lighter design for easier installation

Overall score

Thermalright Peerless Assassin 120 Black CPU Air Cooler
85
Thermalright Assassin King 120 SE ARGB CPU Air Cooler
70

Specifications

SpecThermalright Peerless Assassin 120 Black CPU Air CoolerThermalright Assassin King 120 SE ARGB CPU Air Cooler
Fan Speed1500 RPM1550 RPM
Noise Level≤25.6 dB(A)≤25.6 dB(A)
Heat Pipes65
TDP SupportN/A125-235W
Socket SupportLGA1150-2066, AM4/AM5115X, 1200, 1700, AM4/AM5

Dimension comparison

Thermalright Peerless Assassin 120 Black CPU Air CoolerThermalright Assassin King 120 SE ARGB CPU Air Cooler

Introduction to Thermalright CPU Coolers

When it comes to cooling your CPU, Thermalright offers two appealing options: the Thermalright Peerless Assassin 120 Black and the Thermalright Assassin King 120 SE ARGB. Both coolers provide effective thermal management, but they cater to different needs and budgets. The Peerless Assassin is priced at C$54.90, while the Assassin King is more budget-friendly at C$24.59. This comparison will delve into their features, performance, and overall value to help you make an informed decision.

Design and Build Quality

The design of a CPU cooler plays a crucial role in both aesthetics and functionality. The Thermalright Peerless Assassin 120 Black boasts a twin-tower design with a sleek black finish, enhancing its visual appeal while maximizing heat dissipation thanks to an effective surface area of 9600cm. In contrast, the Thermalright Assassin King 120 SE ARGB features a more compact design with a height of 148mm, making it suitable for medium-sized cases. Its ARGB lighting adds a modern touch, appealing to gamers and PC builders who value aesthetics.

Cooling Performance

Cooling performance is essential for maintaining optimal CPU temperatures during intensive tasks. The Peerless Assassin is engineered with a dual-fan setup that can reach speeds of 1500 RPM and an airflow capacity of 66.17 CFM, promising efficient cooling even under load. The six heat pipes employing AGHP technology ensure excellent heat transfer. Meanwhile, the Assassin King also offers competitive cooling capabilities with a similar airflow of 66.17 CFM and slightly higher fan speed of 1550 RPM. However, its cooling capacity is designed for CPUs with a thermal design power (TDP) between 125 to 235W, which may limit its effectiveness for high-end processors compared to the more robust Peerless Assassin.

Noise Levels

Noise levels are a significant consideration for many users seeking a quiet computing environment. Both the Peerless Assassin and the Assassin King maintain a noise level of ≤25.6 dB(A), indicating that neither cooler will be a source of distraction during operation. The efficient PWM fans in both models contribute to their quiet performance, ensuring a peaceful computing experience, whether you’re gaming or working.

Compatibility

Compatibility with various CPU sockets is crucial for ensuring a smooth installation process. The Thermalright Peerless Assassin supports a broad range of Intel sockets, including LGA1150 through LGA2066, and AMD sockets like AM4 and AM5. This extensive compatibility makes it a versatile choice for many systems. On the other hand, the Assassin King also supports a variety of Intel sockets (115X, 1200, 1700) and AMD sockets (AM4, AM5), but with a more limited range compared to the Peerless Assassin. If you have a specific CPU in mind, the Peerless Assassin's broader compatibility may be a deciding factor.

Installation Process

Ease of installation can greatly affect the user experience. The Peerless Assassin comes equipped with metal fasteners for both Intel and AMD platforms, ensuring a straightforward setup that enhances its usability. Similarly, the Assassin King also features metal fasteners for easy installation across its supported socket types. While both coolers are designed with user-friendly installation in mind, the Peerless Assassin's slightly larger size may require more careful handling during installation, particularly in compact cases.

Aesthetics and Additional Features

Aesthetics can play a significant role in a user's choice of CPU cooler, especially for those who enjoy showcasing their builds. The Thermalright Peerless Assassin 120 Black presents a clean, all-black finish that appeals to minimalist setups. In contrast, the Assassin King stands out with its ARGB lighting, allowing users to customize the look of their build easily. Both coolers utilize high-quality materials—aluminum for heat sinks—and the ARGB lighting of the Assassin King adds a modern flair that could be a decisive factor for gamers focused on aesthetics.

Price Comparison

Price is often a decisive factor when selecting hardware. The Thermalright Peerless Assassin 120 Black is priced at C$54.90, reflecting its advanced cooling capabilities and enhanced build quality. In comparison, the Assassin King is significantly more affordable at C$24.59, making it an attractive option for budget-conscious consumers. While both products offer good value, the choice between them will ultimately depend on your specific needs, whether you prioritize performance or cost.

Which should you buy?

Choosing between the Thermalright Peerless Assassin 120 Black and the Thermalright Assassin King 120 SE ARGB largely depends on your budget and performance requirements. The Peerless Assassin is ideal for users who require superior cooling performance and broader compatibility for high-end CPUs, making it worth the additional investment. Conversely, if you’re looking for a more affordable solution that still offers solid performance and aesthetic enhancements through ARGB lighting, the Assassin King is an excellent choice. In the end, assess your specific needs to decide which cooler best fits your build.

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Thermalright Peerless Assassin 120 Black CPU Air Cooler vs Thermalright Assassin King 120 SE ARGB CPU Air Cooler | versusfinder