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Thermalright Peerless Assassin 120 CPU Air Cooler vs Noctua NH-U12A chromax.Black

Updated August 2026The Thermalright Peerless Assassin 120 offers great value for budget-conscious buyers, while the Noctua NH-U12A chromax.Black excels in performance and brand reputation.

The Thermalright Peerless Assassin 120 offers great value for budget-conscious buyers, while the Noctua NH-U12A chromax.Black excels in performance and brand reputation.

Why Thermalright Peerless Assassin 120 CPU Air Cooler is better

price

Thermalright is significantly cheaper at C$51.39

TDP

Higher TDP of 245W for better cooling capacity

compatibility

Broader socket support for various CPUs

Why Noctua NH-U12A chromax.Black is better

brand

Noctua has over 100 awards and a strong reputation

design

Sleek all-black design fits more builds

noise

Known for whisper-quiet operation

Overall score

Thermalright Peerless Assassin 120 CPU Air Cooler
70
Noctua NH-U12A chromax.Black
85

Specifications

SpecThermalright Peerless Assassin 120 CPU Air CoolerNoctua NH-U12A chromax.Black
Cooling Capacity245WNot specified
Noise Level≤25.6 dB(A)Whisper-quiet
Socket SupportIntel & AMDIntel & AMD
Fan TypePWMNF-A12x25
WarrantyNot specified6 years

Dimension comparison

Thermalright Peerless Assassin 120 CPU Air CoolerNoctua NH-U12A chromax.Black

Price Comparison

When it comes to price, the Thermalright Peerless Assassin 120 is significantly more affordable at C$51.39, compared to the Noctua NH-U12A chromax.Black, which retails for C$159.95. This translates to a difference of C$108.56, making the Thermalright a budget-friendly option for those looking for effective CPU cooling without breaking the bank. The Noctua, with its higher price point, positions itself as a premium product, backed by extensive accolades and a strong reputation in the market. This price disparity may influence buyers depending on their budget constraints and performance expectations.

Cooling Performance

Cooling performance is a critical factor when choosing a CPU cooler. The Thermalright Peerless Assassin 120 boasts an impressive thermal design power (TDP) of 245W, indicating its capability to manage heat effectively. It employs a dual tower cooling design complemented by six heat pipes, which facilitate superior heat dissipation. In contrast, the Noctua NH-U12A chromax.Black is renowned for its top-tier performance within the 120mm size category, which has earned it numerous awards. While specific TDP figures are not provided for the Noctua, its design features dual NF-A12x25 fans that promise excellent cooling efficiency. Both coolers are engineered for optimal heat management, but the Thermalright may offer a slight edge in raw cooling capacity.

Design and Aesthetics

In terms of design, the Thermalright Peerless Assassin 120 features a striking white paint finish on its twin towers, which adds a modern touch to any build. However, the Noctua NH-U12A chromax.Black takes the lead with its all-black design, making it versatile for various colour schemes. This aesthetic appeal is crucial for users who prioritise the visual aspect of their computer builds. The Noctua's design not only looks sleek but is also compact enough to fit most tower cases without overhanging RAM slots or blocking PCIe slots. Thus, while both options are visually distinct, the Noctua may better cater to those seeking a refined look.

Fan Technology

Fan technology is another vital aspect of CPU coolers. The Thermalright Peerless Assassin 120 includes two PWM fans that operate at a speed of up to 1500 RPM, delivering an airflow of 66.17 CFM while maintaining a noise level of less than 25.6 dB(A). This balance of performance and quiet operation is appealing for users who desire efficient cooling without excessive noise. On the other hand, the Noctua NH-U12A chromax.Black features state-of-the-art NF-A12x25 fans, known for their whisper-quiet operation at idle and robust performance under load. Both coolers leverage advanced fan technology; however, the Noctua's reputation for quiet efficiency may attract users prioritising silent operation.

Installation and Compatibility

Both coolers offer straightforward installation processes, but the specifics differ. The Thermalright Peerless Assassin 120 comes with metal fasteners compatible with a wide range of Intel and AMD sockets, ensuring easy installation across various platforms. It supports Intel sockets from LGA 1150 to LGA 2066 and AMD sockets including AM4 and AM5. Conversely, the Noctua NH-U12A chromax.Black includes the SecuFirm2 mounting system, designed for hassle-free installation on Intel LGA 1851, 1700, 1200, and 115x, as well as AMD AM4 and AM5. While both products are compatible with numerous CPUs, the Thermalright's broader socket support may provide an advantage for users with diverse system needs.

Noise Levels

Noise levels are crucial for many PC builders, particularly for those seeking a quiet computing experience. The Thermalright Peerless Assassin 120 operates with a maximum noise level of 25.6 dB(A), which is relatively quiet for a cooling solution of its type. This allows for a peaceful environment, especially during high-performance tasks. The Noctua NH-U12A chromax.Black, while not providing a specific noise level, is known for its whisper-quiet operation under idle conditions and efficient performance at load. The combination of low noise output and effective cooling makes the Noctua a popular choice among enthusiasts who seek a silent yet powerful cooling solution.

Brand Reputation

Brand reputation can greatly influence purchasing decisions. Thermalright, while respected, does not carry the same level of recognition as Noctua, which boasts more than 100 awards and recommendations from international hardware websites. The Noctua NH-U12A chromax.Black is often lauded for its quality and performance, backed by a six-year manufacturer’s warranty. This extensive validation can be a strong selling point, as consumers often feel more secure investing in a product from a brand with a proven track record of excellence. For buyers prioritising brand reliability, Noctua's reputation may sway their choice in favour of the NH-U12A.

Which should you buy?

Choosing between the Thermalright Peerless Assassin 120 and the Noctua NH-U12A chromax.Black ultimately depends on your budget, cooling needs, and personal preferences. If you're looking for an economical solution that offers solid cooling performance and broad compatibility, the Thermalright is an excellent choice at C$51.39. However, if you are willing to invest more for top-tier performance, a quieter operation, and a well-regarded brand, the Noctua at C$159.95 may provide better long-term satisfaction. Both coolers deliver excellent performance, but your specific requirements will dictate the best option for your build.

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Thermalright Peerless Assassin 120 CPU Air Cooler vs Noctua NH-U12A chromax.Black | versusfinder