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Scythe Fuma 3 CPU Air Cooler, Intel LGA1700, vs Thermalright Peerless Assassin 120 SE V3 CPU Air

Updated August 2026 — Scythe Fuma 3 CPU Air Cooler, Intel LGA1700, leads on ease of install and cooling performa.

The Scythe Fuma 3 offers superior performance and quieter operation, while the Thermalright Peerless Assassin is a budget-friendly option. Choose based on your performance needs and budget.

Why Scythe Fuma 3 CPU Air Cooler, Intel LGA1700, is better

Cooling Performance

Scythe Fuma 3 has superior heat dissipation capabilities.

Noise Levels

Scythe Fuma 3 operates quieter than Thermalright Peerless Assassin.

Compatibility

Scythe Fuma 3 supports a wider range of CPU sockets.

Why Thermalright Peerless Assassin 120 SE V3 CPU Air is better

Price

Thermalright Peerless Assassin is more budget-friendly.

Installation

Thermalright Peerless Assassin includes clear installation instructions.

Size

Thermalright Peerless Assassin has a slightly smaller footprint.

Overall score

Scythe Fuma 3 CPU Air Cooler, Intel LGA1700,
85
Thermalright Peerless Assassin 120 SE V3 CPU Air
75

Specifications

SpecScythe Fuma 3 CPU Air Cooler, Intel LGA1700,Thermalright Peerless Assassin 120 SE V3 CPU Air
Fan SpeedPWM, Quiet2000 RPM, PWM
Noise LevelLow29.8 dB(A)
MaterialAluminumAluminum
Socket SupportLGA 1700, AM5LGA 1851, AM4
Cooling TypeDual TowerDual Tower

Dimension comparison

Scythe Fuma 3 CPU Air Cooler, Intel LGA1700,Thermalright Peerless Assassin 120 SE V3 CPU Air

Overview

When it comes to cooling your CPU, both the Scythe Fuma 3 CPU Air Cooler and the Thermalright Peerless Assassin 120 SE V3 CPU Air Cooler present strong options. The Scythe Fuma 3 is priced at $49.99, while the Thermalright Peerless Assassin is more budget-friendly at $35.90, making it about 17% cheaper. Each cooler boasts unique features designed to enhance thermal performance, but their specifications and designs cater to slightly different user needs.

Design and Build Quality

The Scythe Fuma 3 features a dual tower design with a black top cover and a premium-quality aluminum fin array that enhances cooling efficiency. Its improved asymmetrical design allows for unrestricted use of front high RAM slots, and it stands at a height of 154mm, fitting well in most Mini ITX cases. In contrast, the Thermalright Peerless Assassin 120 SE V3 also employs a dual-tower structure, but with a slightly smaller footprint of 125x135x155mm. This cooler includes a blackened anodic matte top sheet, which not only adds to its aesthetic appeal but also contributes to its durability.

Cooling Performance

Cooling performance is critical for any CPU cooler. The Scythe Fuma 3 incorporates six 6mm heat pipes and a copper base plate, which work together to effectively dissipate heat from high TDP processors. Its dual fans, rotating in opposite directions, maximize static pressure and airflow while keeping noise levels down. The Thermalright Peerless Assassin also boasts six 6mm heat pipes but is designed with dual PWM fans that can reach speeds of 2000 RPM. This higher RPM allows for significant heat dissipation, making it a suitable choice for overclocking scenarios.

Noise Levels

When selecting a CPU cooler, noise levels can be a deciding factor for many users. The Scythe Fuma 3 utilizes Kaze Flex II 120mm fans that are engineered for quiet operation, ensuring that performance does not come at the cost of a noisy environment. The Thermalright Peerless Assassin operates at a maximum noise level of 29.8 dB(A), which is competitive, but generally, the Scythe Fuma 3 is noted for being quieter due to its fan design that optimizes airflow with minimal sound.

Compatibility

Compatibility with various CPU sockets is essential for a cooler to be versatile. The Scythe Fuma 3 supports a wide range of Intel and AMD sockets, including LGA 1700, LGA 1151, and AMD AM5, making it adaptable for many builds. Similarly, the Thermalright Peerless Assassin is compatible with Intel LGA 1851/1700/1150/1151/1200 and AMD AM4/AM5 sockets. This makes both coolers excellent choices for different system configurations, though the Scythe offers a broader range of CPU support.

Installation Process

Ease of installation can greatly affect the user experience. The Scythe Fuma 3 is designed for easy installation with its Premium HPMS V mounting system, allowing for a straightforward setup on both Intel and AMD platforms. The Thermalright Peerless Assassin also comes with mounting accessories and instructions to facilitate installation, particularly noting that AMD installations require the original motherboard backplate. While both are designed for user-friendliness, the Scythe Fuma 3's reputation for simplicity may edge it ahead.

Price Comparison

Price is often a key consideration when selecting hardware. The Scythe Fuma 3 is currently priced at $49.99, while the Thermalright Peerless Assassin is available for $35.90. This makes the Thermalright model approximately 17% cheaper, providing a compelling option for budget-conscious consumers. However, while the lower price of the Peerless Assassin may be attractive, the additional features and performance of the Scythe Fuma 3 may justify its higher price for users seeking top-tier cooling.

Which should you buy?

Ultimately, the choice between the Scythe Fuma 3 CPU Air Cooler and the Thermalright Peerless Assassin 120 SE V3 CPU Air Cooler depends on individual needs. If you prioritize top-tier performance, quieter operation, and broader compatibility, the Scythe Fuma 3 is worth the extra investment at $49.99. On the other hand, if budget constraints are your primary concern and you still desire reliable cooling, the Thermalright Peerless Assassin at $35.90 offers solid performance without breaking the bank. Each cooler excels in its own right, and your choice should align with your specific requirements for performance, noise, and budget.