Thermalright Peerless Assassin 120 SE V3 CPU Air vs Thermalright Phantom Spirit 120SE CPU Air Cooler,
Updated July 2026 — Thermalright Peerless Assassin 120 SE V3 CPU Air leads on fan rpm and height.
The Peerless Assassin offers superior cooling performance, while the Phantom Spirit excels in quiet operation.
Why Thermalright Peerless Assassin 120 SE V3 CPU Air is better
Cooling Performance
Higher fan speed and airflow
Heat Pipes
More effective heat dissipation with 6 heat pipes
Airflow
70.84 CFM vs 66.17 CFM
Why Thermalright Phantom Spirit 120SE CPU Air Cooler, is better
Noise Level
Quieter operation at 25.6 dB(A)
Build Quality
Longer service life with S-FDB bearings
Height
Slightly shorter height for better case compatibility
Overall score
Specifications
| Spec | Thermalright Peerless Assassin 120 SE V3 CPU Air | Thermalright Phantom Spirit 120SE CPU Air Cooler, |
|---|---|---|
| Heat Pipes | 6 | 7 |
| Airflow | 70.84 CFM | 66.17 CFM |
| Noise Level | 29.8 dB(A) | 25.6 dB(A) |
| Compatibility | Intel/AMD | Intel/AMD |
| Price | $35.90 | $35.90 |
Dimension comparison
Overview of the Thermalright Peerless Assassin 120 SE V3
The Thermalright Peerless Assassin 120 SE V3 is designed for maximum cooling efficiency with its unique dual-tower and dual-fan configuration. Priced at $35.90, this cooler features six heat pipes that enhance heat dissipation effectively. The cooler’s design includes a stylish blackened anodic matte top sheet and a nickel-plated copper bottom, ensuring durability and improved thermal performance.
With a fan speed of up to 2000 RPM, the Peerless Assassin can deliver an impressive airflow of 70.84 CFM. The cooling solution’s noise level is rated at a maximum of 29.8 dB(A), which is relatively quiet for a high-performance cooler. The Peerless Assassin is compatible with a range of platforms, including Intel LGA 1851, 1700, and AMD AM4/AM5, making it versatile for various builds.
Overview of the Thermalright Phantom Spirit 120SE
The Thermalright Phantom Spirit 120SE also offers significant cooling capabilities at the same price point of $35.90. This cooler stands out with its seven heat pipes, which utilize AGHP upgraded 4th generation technology to combat the effects of gravity on cooling performance. The design incorporates a finely carved pure copper base and aluminum fins, optimizing the heat dissipation area.
Operating at a fan speed of 1500 RPM, the Phantom Spirit delivers a maximum airflow of 66.17 CFM, slightly less than its competitor. However, it operates quieter, with a noise level of 25.6 dB(A). Like the Peerless Assassin, it supports various platforms, including Intel LGA 1851, 1700, and AMD AM4/AM5, providing ample compatibility for different systems.
Performance Comparison
In terms of cooling performance, the Peerless Assassin leads with its higher fan speed of 2000 RPM, which produces a greater airflow of 70.84 CFM. This capability can be particularly beneficial for overclocked CPUs that generate more heat. Conversely, the Phantom Spirit, while slightly lower in airflow at 66.17 CFM, boasts a quieter operation, making it more suitable for users who prioritize a silent computing environment.
Both coolers utilize advanced heat pipe technology, but the Peerless Assassin has the advantage of six heat pipes compared to the seven heat pipes in the Phantom Spirit. This difference may marginally affect the cooling efficiency, but both products are engineered for excellent thermal management in a variety of setups.
Installation and Compatibility
Both the Peerless Assassin and the Phantom Spirit are designed for ease of installation, supporting a wide range of sockets from Intel and AMD. The Peerless Assassin is compatible with Intel LGA 1851, 1700, and AMD AM4/AM5, ensuring it can fit into most modern builds. The installation process is simplified with included mounting accessories and instructional materials.
The Phantom Spirit shares similar compatibility and installation features. However, its slightly taller height of 154mm may limit case compatibility for some users. Nonetheless, both coolers are designed to be user-friendly, appealing to both novice and experienced builders alike.
Build Quality and Design
The Peerless Assassin features a robust design, highlighted by its aluminum heatsink cover and blackened anodic finish, which not only enhances its aesthetic appeal but also contributes to durability. The dual fan setup is securely mounted, ensuring stable operation under load.
On the other hand, the Phantom Spirit’s design also emphasizes quality, with an anodized black frosted top and a finely crafted copper base. The use of industrial-grade materials provides longevity, contributing to its 20,000-hour service life. Both coolers exhibit excellent craftsmanship, making them reliable choices for cooling solutions.
Noise Levels
When it comes to noise levels, the Phantom Spirit is the quieter option, operating at a maximum of 25.6 dB(A), compared to the Peerless Assassin's 29.8 dB(A). This difference in noise output can be crucial for users who prefer a quieter computing experience, such as gamers or professionals working in noise-sensitive environments.
The higher RPM of the Peerless Assassin may result in more noise, but it also translates to superior cooling performance. Users must weigh the importance of cooling efficiency against noise levels based on their individual usage scenarios.
Pricing and Value
Both the Peerless Assassin and the Phantom Spirit are priced identically at $35.90, making them highly competitive options in the CPU cooler market. Given their performance specifications and build quality, each cooler offers good value for money. The decision may ultimately come down to specific user needs, such as preference for quieter operation versus higher cooling efficiency.
Considering that both products are priced similarly, users will need to evaluate their cooling requirements and noise tolerance before deciding. The Phantom Spirit may appeal more to those prioritizing a quiet setup, while the Peerless Assassin will attract users who need robust cooling capabilities.
Which should you buy?
Choosing between the Thermalright Peerless Assassin 120 SE V3 and the Thermalright Phantom Spirit 120SE ultimately depends on your specific needs and preferences. If you require maximum cooling performance and don't mind a bit of noise, the Peerless Assassin is the better choice with its higher airflow and fan speed. However, if you prefer a quieter operation with decent cooling capabilities, the Phantom Spirit is a solid option, particularly for standard usage scenarios. Both coolers offer excellent value at the same price point, ensuring you won’t go wrong with either choice.

