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

Updated August 2026The Noctua NH-D15 G2 offers superior cooling performance and quieter operation, making it the better choice for enthusiasts, while the Thermalright Peerless Assassin 120 is a budget-friendly option with decent features.

The Noctua NH-D15 G2 offers superior cooling performance and quieter operation, making it the better choice for enthusiasts, while the Thermalright Peerless Assassin 120 is a budget-friendly option with decent features.

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.

ease of installation

Thermalright has user-friendly SS2 clips.

Why Noctua NH-D15 G2 is better

cooling performance

Noctua has eight heat pipes for better cooling.

noise levels

Noctua operates nearly silently at idle.

build quality

Noctua includes superior NT-H2 thermal paste.

Overall score

Thermalright Peerless Assassin 120 Digital ARGB Black CPU Air Cooler
65
Noctua NH-D15 G2
90

Specifications

SpecThermalright Peerless Assassin 120 Digital ARGB Black CPU Air CoolerNoctua NH-D15 G2
Heat Pipes68
Fan Speed1850 RPMmax speed adjustable
Noise Level≤25.6 dB(A)nearly silent
CompatibilityAMD AM4/AM5, Intel LGA 1150/1151/1155/1156/1200/1700AMD AM4/AM5, Intel LGA 1200/1700/115x
PriceC$52.62C$209.95

Dimension comparison

Thermalright Peerless Assassin 120 Digital ARGB Black CPU Air CoolerNoctua NH-D15 G2

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

The Thermalright Peerless Assassin 120 Digital ARGB Black is an affordable yet effective CPU air cooler priced at C$52.62, while the Noctua NH-D15 G2 stands out as a premium option at C$209.95. The price difference highlights the varying target audiences for these two coolers, with the Thermalright model appealing to budget-conscious users and the Noctua designed for enthusiasts seeking top-tier performance.

The Thermalright cooler features a dual tower and dual fan design, integrating six copper heat pipes for efficient heat dissipation. In contrast, the Noctua NH-D15 G2 boasts eight heat pipes and a larger surface area, promising even better cooling performance. This fundamental difference in design reflects their respective cooling capabilities, with the Noctua positioned as a leader in silent cooling technology.

Cooling Performance

The Thermalright Peerless Assassin 120 Digital ARGB Black offers a fan speed of up to 1850 RPM and an airflow of 88.89 CFM, providing solid heat dissipation for most gaming and productivity scenarios. Its dual fans contribute to an operating noise level of ≤25.6 dB(A), making it relatively quiet under load.

On the other hand, the Noctua NH-D15 G2 is engineered for superior cooling performance with its two NF-A14x25r G2 fans, which are designed for acoustic fine-tuning. The NH-D15 G2's eight heat pipes and increased surface area enhance its cooling capabilities, ensuring optimal thermal management even for high-end CPUs like the Ryzen 9 9950X. This makes it an attractive option for users with demanding workloads who require reliable cooling.

Installation Process

The Thermalright Peerless Assassin 120 Digital ARGB Black is designed for easy installation, featuring SS2 clips compatible with multiple CPU models, including AMD and Intel platforms. This ease of installation caters to users who may not have extensive experience in building PCs.

Conversely, the Noctua NH-D15 G2 employs a Torx-based SecuFirm2+ mounting system, which includes a dedicated screwdriver for straightforward assembly. It also comes with superior NT-H2 thermal paste, simplifying the setup process for users. While both coolers promote user-friendly installations, the Noctua's comprehensive package may appeal more to those who value quality and convenience.

Noise Levels

Noise levels are a critical consideration for many PC builders, especially those aiming for a quiet computing environment. The Thermalright Peerless Assassin operates at a maximum of 25.6 dB(A), making it suitable for users who prefer a quieter system.

In contrast, the Noctua NH-D15 G2 excels in this area with its focus on silent performance. The fans come with Low-Noise Adaptors and PWM control, allowing them to operate nearly silently at idle while maintaining efficiency under load. The NH-D15 G2 is specifically designed to keep noise levels low while providing exceptional cooling, making it an ideal choice for noise-sensitive setups.

Aesthetics and Design

The Thermalright Peerless Assassin 120 Digital ARGB Black features dual fans with customizable ARGB lighting effects, allowing users to adjust the lighting to match their system's aesthetics through a motherboard's built-in software. This modern design element appeals to gamers and PC enthusiasts who appreciate visually striking builds.

On the other hand, the Noctua NH-D15 G2 maintains a more utilitarian appearance, prioritizing performance over flashy aesthetics. While it may lack RGB features, its offset design and recessed lower fins ensure compatibility with modern motherboards and RAM, making it a practical choice for builders focused on function over form.

Compatibility

Compatibility is crucial when selecting a CPU cooler. The Thermalright Peerless Assassin 120 Digital ARGB Black supports a wide range of platforms, including AMD AM4/AM5 and Intel LGA 1150/1151/1155/1156/1200/1700. This versatility allows it to cater to various user needs across different systems.

The Noctua NH-D15 G2 also offers extensive compatibility, supporting AMD AM4/AM5 and Intel LGA 1200/1700/115x platforms. Its inclusion of offset mounting ensures optimal fitment, particularly for high-performance CPUs. Both coolers are designed with multiple platform support in mind, making them suitable for a wide array of builds.

Price Consideration

Price is a significant factor when choosing between the two coolers. The Thermalright Peerless Assassin 120 Digital ARGB Black is priced at C$52.62, making it an attractive budget-friendly option for those looking to enhance their CPU cooling without breaking the bank.

In stark contrast, the Noctua NH-D15 G2 is a premium product with a price tag of C$209.95. This higher investment is justified by its superior cooling performance, quieter operation, and robust design. For users willing to spend more for enhanced capabilities and reliability, the Noctua presents a compelling case.

Which should you buy?

Choosing between the Thermalright Peerless Assassin 120 Digital ARGB Black and the Noctua NH-D15 G2 ultimately hinges on your specific needs and budget. If you’re looking for an economical solution that provides adequate cooling and aesthetic features, the Thermalright cooler is a remarkable choice. However, if you demand top-tier cooling performance and are willing to invest significantly more for quieter operation and superior build quality, the Noctua NH-D15 G2 is the clear winner. Your decision should be guided by your cooling requirements, budget constraints, and personal preferences.

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