vsversusfinder

Noctua NH-D15 G2 vs Thermalright Peerless Assassin 120 Digital ARGB Black CPU Cooler Air with 6X6mm

Updated August 2026The Noctua NH-D15 G2 offers superior cooling performance and noise efficiency, making it the better choice for enthusiasts, while the Thermalright Peerless Assassin 120 is a solid budget option.

The Noctua NH-D15 G2 offers superior cooling performance and noise efficiency, making it the better choice for enthusiasts, while the Thermalright Peerless Assassin 120 is a solid budget option.

Why Noctua NH-D15 G2 is better

Cooling Performance

NH-D15 G2 excels with advanced design and larger surface area.

Noise Levels

NH-D15 G2 operates near-silent at idle.

Build Quality

NH-D15 G2 features premium materials and design.

Why Thermalright Peerless Assassin 120 Digital ARGB Black CPU Cooler Air with 6X6mm is better

Price

Peerless Assassin 120 is significantly cheaper.

Aesthetics

Peerless Assassin 120 has a modern ARGB design.

Installation

Peerless Assassin 120 is user-friendly for mainstream builds.

Overall score

Noctua NH-D15 G2
90
Thermalright Peerless Assassin 120 Digital ARGB Black CPU Cooler Air with 6X6mm
70

Specifications

SpecNoctua NH-D15 G2Thermalright Peerless Assassin 120 Digital ARGB Black CPU Cooler Air with 6X6mm
PriceC$209.95C$62.90
Fan Speed1500 RPM1850 RPM
CompatibilityAMD AM4/AM5, Intel LGA1851Mainstream ATX
Cooling TypeAirAir
Thermal PasteNT-H2 includedNot included

Dimension comparison

Noctua NH-D15 G2Thermalright Peerless Assassin 120 Digital ARGB Black CPU Cooler Air with 6X6mm

Overview of the Noctua NH-D15 G2 and Thermalright Peerless Assassin 120 Digital ARGB

The Noctua NH-D15 G2 is a premium CPU cooler priced at C$209.95, while the Thermalright Peerless Assassin 120 Digital ARGB is a budget-friendly option at C$62.90. Both coolers are designed to effectively dissipate heat, but they cater to different market segments and user needs.

The NH-D15 G2 is known for its exceptional cooling performance and acoustic efficiency, making it a favourite among enthusiasts. In contrast, the Peerless Assassin 120 offers solid performance at a significantly lower price, appealing to budget-conscious gamers and casual users. Each cooler has its unique features and capabilities, making them distinct choices for consumers.

Cooling Performance

When it comes to cooling performance, the Noctua NH-D15 G2 excels with its advanced design featuring eight heatpipes and a total surface area that is 20% larger than its predecessor. This cooler is optimized to handle high-performance CPUs, including models like the Ryzen 9 9950X and Core Ultra 285K. The two NF-A14x25r G2 fans provide excellent airflow and are designed for near-silent operation at idle, ensuring that users don’t have to compromise on noise levels for cooling.

On the other hand, the Thermalright Peerless Assassin 120 features a dual-tower design with two fans that can achieve speeds of 1850 RPM. Its six pure copper heat pipes facilitate effective heat transfer from the CPU, while its operating noise level is capped at 25.6 dB(A), which is relatively quiet for a cooler in its price range. However, the NH-D15 G2’s superior design and materials provide a noticeable edge in cooling efficiency, especially under heavy loads.

Design and Aesthetics

The Noctua NH-D15 G2 showcases a classic, understated design that has become iconic in the cooling market. Its offset design not only enhances cooling performance but also allows for better RAM clearance, which is crucial for users with high-profile memory modules. The cooler comes with premium NF-A14x25r G2 fans that contribute to its sleek appearance.

Conversely, the Thermalright Peerless Assassin 120 features a more modern aesthetic, with a digital ARGB top cover that adds a touch of flair. Its overall black style gives it a contemporary look that appeals to gamers looking to match their builds. While both coolers are well-designed, the NH-D15 G2 focuses more on functionality and performance, while the Peerless Assassin prioritizes visual appeal.

Installation Process

Installation is straightforward for both coolers, but the Noctua NH-D15 G2 takes the lead with its Torx-based SecuFirm2+ mounting system, which simplifies the process on various platforms, including AMD AM4/AM5 and Intel LGA1851. It also includes NT-H2 thermal paste, ensuring that users have everything they need for a successful installation.

The Thermalright Peerless Assassin 120 also provides a user-friendly installation experience, compatible with mainstream ATX chassis. However, it lacks the same level of comprehensive mounting options as the NH-D15 G2. Users may find the installation of the Peerless Assassin slightly less intuitive, especially when managing the digital display connections.

Noise Levels

Noise levels are a critical factor for many users, and the Noctua NH-D15 G2 stands out with its near-silent performance at idle. Thanks to its advanced fan design and Low-Noise Adaptors, users can enjoy high cooling efficiency without the accompanying noise that often comes with powerful cooling solutions.

The Thermalright Peerless Assassin 120 operates at a maximum noise level of 25.6 dB(A), which is still relatively quiet but does not match the NH-D15 G2's performance. For users who prioritise silence alongside cooling, the NH-D15 G2 is the clear winner in this category, making it more suited for noise-sensitive environments.

Compatibility

Compatibility varies significantly between the two coolers. The Noctua NH-D15 G2 is designed to fit a wide range of motherboards, supporting platforms like AMD AM4/AM5 and Intel LGA1851. Its offset design ensures that it won't interfere with RAM slots, providing 59mm of clearance in single fan mode.

The Thermalright Peerless Assassin 120 is also compatible with mainstream ATX chassis and offers a good fit for most builds. However, users with specific high-profile components may encounter limitations due to its size and design. This factor can make the NH-D15 G2 a more versatile choice for a wider array of systems.

Price Comparison

The price difference between the two coolers is substantial. At C$209.95, the Noctua NH-D15 G2 is positioned as a high-end product, reflecting its premium features and performance capabilities. This price is justified for users who demand the best cooling and noise performance.

In contrast, the Thermalright Peerless Assassin 120 is priced at a mere C$62.90, making it an attractive option for budget-conscious buyers. It offers adequate cooling for mid-range systems, but users should be aware that they may be sacrificing some performance and noise levels compared to the NH-D15 G2.

Which should you buy?

When deciding between the Noctua NH-D15 G2 and the Thermalright Peerless Assassin 120 Digital ARGB, the choice ultimately depends on your specific needs and budget. If you are an enthusiast looking for top-tier cooling performance, noise efficiency, and compatibility, the NH-D15 G2 is the ideal choice, despite its higher price.

However, if you are a casual user or gamer seeking a reliable cooler at a more accessible price point, the Thermalright Peerless Assassin 120 offers solid performance without breaking the bank. Ultimately, both coolers serve their respective markets well, making them worthy contenders in the CPU cooling landscape.

versusfinder.com is a participant in the Amazon.ca Associates Program. As an Amazon Associate we earn from qualifying purchases, at no extra cost to you.

Noctua NH-D15 G2 vs Thermalright Peerless Assassin 120 Digital ARGB Black CPU Cooler Air with 6X6mm | versusfinder