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Noctua NH-D15 G2 chromax.Black Premium Dual Tower vs Thermalright Peerless Assassin 120 SE CPU Cooler,

Updated August 2026 — Noctua NH-D15 G2 chromax.Black Premium Dual Tower leads on brand trust and noise level.

The Noctua NH-D15 G2 chromax.Black outperforms the Thermalright Peerless Assassin 120 SE in cooling efficiency, noise levels, and aesthetics, making it the superior choice for enthusiasts. However, the Thermalright offers excellent value for budget-conscious users.

Why Noctua NH-D15 G2 chromax.Black Premium Dual Tower is better

Cooling Performance

Noctua has superior cooling with 8 heatpipes.

Noise Levels

Noctua operates nearly silent.

Aesthetics

Noctua features a sleek all-black design.

Why Thermalright Peerless Assassin 120 SE CPU Cooler, is better

Price

Thermalright is significantly cheaper.

Value

Thermalright offers good performance for budget.

Size

Thermalright is more compact.

Overall score

Noctua NH-D15 G2 chromax.Black Premium Dual Tower
88
Thermalright Peerless Assassin 120 SE CPU Cooler,
65

Specifications

SpecNoctua NH-D15 G2 chromax.Black Premium Dual TowerThermalright Peerless Assassin 120 SE CPU Cooler,
Cooling TypeAirAir
Fan SpeedMax 1500 RPMMax 1550 RPM
Noise Level≤ 24.6 dB(A)≤ 25.6 dB(A)
Socket SupportAM5/AM4/LGA1200AM5/AM4/LGA1700
Thermal PasteNT-H2Not included

Dimension comparison

Noctua NH-D15 G2 chromax.Black Premium Dual TowerThermalright Peerless Assassin 120 SE CPU Cooler,

Overview

When comparing the Noctua NH-D15 G2 chromax.Black and the Thermalright Peerless Assassin 120 SE CPU coolers, the price difference is significant. The Noctua model is priced at $184.95, while the Thermalright cooler is priced at just $49.99. This makes the Thermalright about 73% cheaper than its competitor. However, the price often reflects features and performance, which we will explore in detail.

Cooling Performance

The Noctua NH-D15 G2 chromax.Black boasts an impressive cooling performance thanks to its eight heatpipes and a larger surface area, which is 20% more than its predecessor. It is equipped with two NF-A14x25r G2 fans that provide maximum efficiency under load while remaining nearly silent at idle. In contrast, the Thermalright Peerless Assassin 120 SE features six heat pipes and dual 120mm PWM fans that operate at a maximum speed of 1550 RPM. While both coolers excel in their cooling capabilities, the Noctua’s advanced design may offer slightly superior thermal performance, especially for high-end CPUs.

Design and Aesthetics

The Noctua NH-D15 G2 chromax.Black features a sleek all-black design that appeals to users looking for a modern aesthetic in their PC builds. Its offset design allows for better RAM clearance and compatibility with most motherboards. The Thermalright Peerless Assassin 120 SE, while functional, has a more utilitarian appearance. It comes in a standard aluminum finish and is slightly bulkier, measuring 125mm in width. If aesthetics matter to you, the Noctua cooler edges out with its premium look.

Noise Levels

Noise levels are a crucial consideration for many PC builders, especially for those seeking a quiet operation. The Noctua NH-D15 G2 is designed for low noise, featuring advanced fans that provide optimal cooling while keeping noise levels to a minimum. The Thermalright Peerless Assassin 120 SE, with its PWM fans, has a noise level of up to 25.6 dB(A). While it is reasonably quiet, the Noctua is known for its near-silent operation, making it the better choice for noise-sensitive environments.

Installation Process

Both coolers emphasize ease of installation, but the Noctua NH-D15 G2 chromax.Black offers a more user-friendly experience with its Torx-based SecuFirm2+ mounting system. This system is designed for easy installation on a variety of sockets, including AMD AM5 and Intel LGA series. The Thermalright Peerless Assassin 120 SE also includes metal fasteners for Intel and AMD platforms, but it necessitates the use of the original motherboard’s backplane for AMD installation, which might complicate the process for some users. Therefore, the Noctua offers a more straightforward installation experience.

Compatibility

Compatibility is essential for CPU coolers, especially for users with different motherboard and CPU socket types. The Noctua NH-D15 G2 is designed to fit a wide range of sockets, including AMD’s AM5 and AM4, as well as Intel’s LGA1851, LGA1700, and LGA1200. The Thermalright Peerless Assassin 120 SE also supports multiple sockets, including AMD AM4 and AM5, and various Intel sockets. However, it’s crucial to check specific compatibility with your case due to its larger dimensions. Overall, both coolers are versatile, but the Noctua’s compatibility is more straightforward.

Brand Reputation

Noctua is known for its high-quality products and exceptional customer support, often praised for their reliability and performance. Thermalright, with over 20 years in the market, has built a solid reputation, particularly in the budget segment. While both brands are respected, Noctua tends to dominate in the premium cooler category, which may influence buyer decisions based on brand trust.

Price-to-Performance Ratio

When it comes to price-to-performance ratio, the Thermalright Peerless Assassin 120 SE offers excellent value at $49.99. It is about 73% less expensive than the Noctua NH-D15 G2. However, the Noctua cooler justifies its higher price with superior cooling capabilities, quieter operation, and better aesthetics. For those on a tight budget, the Thermalright provides ample performance for its price, but enthusiasts seeking top performance may find the Noctua worth the investment.

Which should you buy?

Choosing between the Noctua NH-D15 G2 chromax.Black and the Thermalright Peerless Assassin 120 SE ultimately depends on your specific needs and budget. If you prioritize top-tier cooling performance, aesthetics, and quiet operation, the Noctua is the clear winner, albeit at a higher price of $184.95. However, if you need a budget-friendly option that still delivers solid performance, the Thermalright at $49.99 is an excellent choice. Consider your priorities to make the best decision for your build.