Scythe Fuma 3 CPU Air Cooler, Intel LGA1700, vs Thermalright Peerless Assassin 120 Digital ARGB
Updated August 2026 — Scythe Fuma 3 CPU Air Cooler, Intel LGA1700, leads on cooling performa and design.
The Scythe Fuma 3 offers superior cooling performance and quieter operation, while the Thermalright Peerless Assassin 120 is a more budget-friendly option with modern aesthetics.
Why Scythe Fuma 3 CPU Air Cooler, Intel LGA1700, is better
Cooling Performance
Fuma 3 has superior heat dissipation capabilities.
Noise Levels
Fuma 3 operates quieter under load.
RAM Clearance
Fuma 3 allows unrestricted use of front RAM slots.
Why Thermalright Peerless Assassin 120 Digital ARGB is better
Price
Peerless Assassin 120 is cheaper.
Aesthetics
Peerless Assassin 120 features a digital display.
Installation
Peerless Assassin 120 includes dual-platform mounting clips.
Overall score
Specifications
| Spec | Scythe Fuma 3 CPU Air Cooler, Intel LGA1700, | Thermalright Peerless Assassin 120 Digital ARGB |
|---|---|---|
| Max RPM | 1500 | 1850 |
| Noise Level | ≤25dB | ≤25.6dB |
| Socket Support | LGA1700, AM5 | LGA1700, AM4 |
| Cooling Type | Air | Air |
| Fan Type | PWM | S-FDB |
Dimension comparison
Introduction to CPU Coolers
When it comes to cooling your CPU, selecting the right air cooler can significantly impact performance and longevity. In this comparison, we’ll examine the Scythe Fuma 3 CPU Air Cooler and the Thermalright Peerless Assassin 120 Digital ARGB Black CPU Air Cooler. Both products are designed for optimal heat dissipation but feature distinct designs and specifications that cater to different user needs.
Design and Build Quality
The design of a CPU cooler can greatly influence its performance and compatibility. The Scythe Fuma 3 showcases a dual tower design, which enhances heat dissipation thanks to its dual heatsinks and fans. Its sophisticated aluminum fin array increases surface area, making it suitable for high TDP processors like the Intel i9 series. On the other hand, the Thermalright Peerless Assassin 120 has a slightly shorter overall height of 162mm, which may offer better compatibility with various chassis. Its dual tower structure is complemented by a digital screen on the top cover, merging functionality with aesthetics.
Cooling Performance
In terms of cooling efficiency, the Scythe Fuma 3 stands out with its six 6mm heat pipes and premium copper base plate that effectively transfer heat away from the CPU. This cooler is optimized for high-performance CPUs, ensuring lower temperatures during intense gaming or workstation tasks. Conversely, the Thermalright Peerless Assassin 120 also features six heat pipes, paired with dual fans capable of reaching speeds up to 1850 RPM. While both coolers excel in heat dissipation, the Fuma 3's design and fan arrangement may provide a slight edge for users pushing their systems to the limits.
Noise Levels
Noise levels can be a crucial factor in choosing a CPU cooler, especially for gamers or those who work in quieter environments. The Scythe Fuma 3 employs Kaze Flex II 120mm fans that operate quietly while delivering excellent airflow. The ability to add a third fan provides flexibility for users seeking quieter operation without compromising cooling performance. The Thermalright Peerless Assassin 120, with its S-FDB bearing fans, operates at a noise level of ≤25.6dB(A), which is commendable. Both coolers aim to maintain a silent operation, but the Fuma 3’s design may offer quieter performance under load.
Compatibility
Compatibility is another significant factor to consider when selecting a CPU cooler. The Scythe Fuma 3 supports a wide range of socket types, including Intel LGA 1700, 1151, and AMD AM5/Ryzen. Its asymmetrical design also allows for unrestricted use of front RAM slots, making it an excellent choice for builds that require high RAM clearance. The Thermalright Peerless Assassin 120 also boasts broad compatibility, supporting multiple Intel and AMD sockets, including LGA 1700 and AM5. However, its slightly bulkier design may limit compatibility with specific motherboard configurations compared to the Fuma 3.
Pricing and Value
When it comes to pricing, the Thermalright Peerless Assassin 120 is priced at $45.90, making it about 17% cheaper than the Scythe Fuma 3, which retails for $49.99. This price difference could be a decisive factor for budget-conscious users who still seek quality performance. However, considering the cooling capabilities and additional features of the Fuma 3, many users may find that the extra cost is justified for more demanding applications.
Installation Process
The installation process can significantly affect user experience, especially for those who are not as technically inclined. The Scythe Fuma 3 boasts an easy-to-install design with its HPMS V mounting system, ensuring a secure fit for various CPU sockets. This thoughtful design can reduce installation time and potential errors. The Thermalright Peerless Assassin 120 also emphasizes ease of installation, with dual-platform mounting clips included. Both coolers aim to simplify the setup process, but the Fuma 3's user-friendly design may provide an edge for novice builders.
Aesthetics
Aesthetics may not directly impact performance, but they can influence a user’s overall satisfaction with their build. The Scythe Fuma 3 features a sleek black top cover that complements most PC builds without being overly flashy. In contrast, the Thermalright Peerless Assassin 120 adds a modern touch with its digital screen top cover, which can display temperature readings and enhances the visual appeal of a gaming rig. Users who prioritize aesthetics alongside performance may find the digital display of the Peerless Assassin particularly attractive.
Which should you buy?
Deciding between the Scythe Fuma 3 and the Thermalright Peerless Assassin 120 largely depends on individual needs and preferences. If you are looking for superior cooling performance, quieter operation, and excellent RAM clearance, the Scythe Fuma 3 is a strong contender. However, if budget is a primary concern and you are satisfied with solid performance and modern aesthetics, the Thermalright Peerless Assassin 120 offers a compelling option at a lower price point. Ultimately, both coolers have their strengths, making them worthy choices for different types of users.

