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Thermalright Peerless Assassin 120 Digital ARGB Black CPU Air Cooler vs Noctua NH-D15S chromax.Black

Updated August 2026The Thermalright Peerless Assassin 120 offers great value for budget-conscious users, while the Noctua NH-D15S excels in premium performance and quiet operation.

The Thermalright Peerless Assassin 120 offers great value for budget-conscious users, while the Noctua NH-D15S excels in premium performance and quiet operation.

Why Thermalright Peerless Assassin 120 Digital ARGB Black CPU Air Cooler is better

price

Thermalright is significantly cheaper at C$52.62.

RGB lighting

Thermalright features customizable ARGB lighting.

airflow

Thermalright has a higher airflow rate of 88.89 CFM.

Why Noctua NH-D15S chromax.Black is better

build quality

Noctua is known for superior build quality and durability.

noise level

Noctua operates more quietly under load.

awards

Noctua has received over 150 awards for performance.

Overall score

Thermalright Peerless Assassin 120 Digital ARGB Black CPU Air Cooler
75
Noctua NH-D15S chromax.Black
90

Specifications

SpecThermalright Peerless Assassin 120 Digital ARGB Black CPU Air CoolerNoctua NH-D15S chromax.Black
Max RPM18501500
Airflow (CFM)88.8982.5
CompatibilityAMD AM4/AM5Intel LGA1851/1700
WarrantyN/A6 years
Installation EaseEasy with SS2 clipsSecuFirm2 system

Dimension comparison

Thermalright Peerless Assassin 120 Digital ARGB Black CPU Air CoolerNoctua NH-D15S chromax.Black

Overview of Thermalright Peerless Assassin 120 Digital ARGB Black and Noctua NH-D15S chromax.Black

The Thermalright Peerless Assassin 120 Digital ARGB Black is priced at C$52.62, making it a budget-friendly option in the CPU cooler market. In contrast, the Noctua NH-D15S chromax.Black comes in at C$149.95, positioning it as a premium choice. Both coolers aim to provide effective thermal management for CPUs, but they cater to different segments of users based on price and performance capabilities.

Cooling Performance

The Thermalright Peerless Assassin features a dual-tower, dual-fan design that efficiently dissipates heat with a maximum fan speed of 1850 RPM, generating an impressive airflow rate of 88.89 CFM. This setup is complemented by six pure copper heat pipes that enhance thermal conductivity, ensuring optimal cooling performance. Meanwhile, the Noctua NH-D15S, though equipped with a single fan, is renowned for its dual-tower performance and has been celebrated in over 150 awards. Its NF-A15 140mm fan operates at a whisper-quiet level, ensuring minimal noise while maintaining high cooling efficiency. Both products excel in their cooling capabilities, but the Thermalright has the edge in airflow specifications.

Design and Aesthetics

In terms of aesthetics, the Thermalright Peerless Assassin boasts dynamic ARGB lighting effects, allowing users to customize the look of their build. This feature can be controlled through the motherboard’s built-in software, adding a modern touch to any set-up. The Noctua NH-D15S chromax.Black, on the other hand, offers a sleek all-black design that appeals to users seeking a more understated look. It is designed to blend seamlessly with various colour schemes, making it versatile for different builds. While both coolers are visually appealing, the choice ultimately depends on whether you prefer the vibrant lighting of the Thermalright or the elegant simplicity of the Noctua.

Noise Levels

The Thermalright Peerless Assassin operates at a maximum noise level of 25.6 dB(A), which is relatively quiet for a cooling solution with dual fans. The Noctua NH-D15S is designed for whisper-quiet operation under load, thanks to its Low-Noise Adapter and PWM controls that automatically adjust fan speeds. Users can expect the Noctua to remain notably silent, even during demanding tasks. While the Thermalright offers commendable noise performance, the Noctua has built its reputation on being one of the quietest CPU coolers available.

Compatibility

Compatibility is a critical factor when selecting a CPU cooler. The Thermalright Peerless Assassin is designed to support a wide range of platforms, including AMD AM4/AM5 and various Intel LGA sockets (1150 to 1200). This versatility makes it suitable for numerous builds. The Noctua NH-D15S also boasts broad compatibility, supporting Intel LGA1851, LGA1700, LGA1200, LGA115x, and AMD AM4/AM5. Both coolers offer great compatibility; however, the Thermalright includes dual-platform mounting clips, which may simplify installation for some users.

Ease of Installation

When it comes to installation, the Thermalright Peerless Assassin features SS2 clips that are designed for easy installation and disassembly, catering to users who may frequently upgrade or maintain their systems. Additionally, it includes a Y-type adapter for connecting two fans in series with just one motherboard interface. The Noctua NH-D15S comes with the SecuFirm2 mounting system, which is widely praised for its straightforward installation process. Both coolers are user-friendly; however, the additional features of the Thermalright may appeal to those who prioritize ease of use and flexibility.

Price Comparison

The price difference between the Thermalright Peerless Assassin and the Noctua NH-D15S is significant, with the former retailing at C$52.62 and the latter at C$149.95. This stark contrast makes the Thermalright an attractive choice for budget-conscious consumers who still want reliable cooling performance. In terms of value for money, the Thermalright offers a solid entry point, while the Noctua justifies its higher price with a reputation for superior quality and performance. Ultimately, your budget and cooling requirements will dictate which product represents better value for you.

Which should you buy?

Choosing between the Thermalright Peerless Assassin 120 Digital ARGB Black and the Noctua NH-D15S chromax.Black ultimately depends on your specific needs and budget. If you're looking for a cost-effective solution with good cooling performance and customizable lighting, the Thermalright is an excellent choice. However, if you prioritise premium build quality, exceptional cooling efficiency, and quiet operation, the Noctua is worth the investment. Ultimately, both coolers excel in their respective areas, providing reliable thermal management for your CPU.

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Thermalright Peerless Assassin 120 Digital ARGB Black CPU Air Cooler vs Noctua NH-D15S chromax.Black | versusfinder