ARCTIC Freezer 36 - Single-Tower CPU Cooler with vs Thermalright Peerless Assassin 120 SE V3 CPU Air
Updated August 2026 — Thermalright Peerless Assassin 120 SE V3 CPU Air leads on compatibility and cooling efficien.
The ARCTIC Freezer 36 offers great value and ease of installation, while the Thermalright Peerless Assassin 120 SE V3 excels in cooling efficiency and compatibility.
Why ARCTIC Freezer 36 - Single-Tower CPU Cooler with is better
Price
ARCTIC Freezer 36 is cheaper by $5.36
Installation
Easier installation with click system
Size
More compact single-tower design
Why Thermalright Peerless Assassin 120 SE V3 CPU Air is better
Cooling
Superior cooling with dual-tower and 6 heat pipes
Noise
Quieter operation at ≤29.8dB
Compatibility
Wider compatibility with Intel and AMD sockets
Overall score
Specifications
| Spec | ARCTIC Freezer 36 - Single-Tower CPU Cooler with | Thermalright Peerless Assassin 120 SE V3 CPU Air |
|---|---|---|
| Max RPM | 1800 | 2000 |
| Air Volume | N/A | 70.84 CFM |
| Noise Level | N/A | ≤29.8 dB |
| Compatibility | Intel LGA 1851/1700 | Intel/AMD |
| Fan Type | Pressure-Optimized | PWM |
Dimension comparison
Overview of the ARCTIC Freezer 36 and Thermalright Peerless Assassin 120 SE V3
The ARCTIC Freezer 36 is priced at $30.54, making it about 17% cheaper than the Thermalright Peerless Assassin 120 SE V3, which costs $35.90. Both coolers are designed to efficiently manage CPU temperatures, yet they differ significantly in design and technology.
The ARCTIC Freezer 36 is a single-tower cooler featuring a push-pull configuration with two pressure-optimized 120 mm fans. In contrast, the Thermalright Peerless Assassin 120 SE V3 is a double-tower cooler equipped with dual PWM fans, boasting six heat pipes for superior heat dissipation. Each cooler has unique attributes that may appeal to different users depending on their specific cooling needs and budget.
Cooling Efficiency
Both coolers excel in heat dissipation, but they employ different methodologies. The ARCTIC Freezer 36 uses its four heat pipes to deliver effective thermal transfer, allowing for a cooling range of 200–1800 RPM. Its side-flow heat sink design enhances airflow through the cooler, optimizing cooling efficiency.
On the other hand, the Thermalright Peerless Assassin 120 SE V3 features a dual-tower configuration with six heat pipes and dual 120 mm PWM fans. The fans can reach speeds of up to 2000 RPM, which contributes to a maximum air volume of 70.84 CFM. This design not only improves heat dissipation but also minimizes operating noise to ≤29.8dB, making it potentially quieter under load.
Noise Levels
When it comes to noise levels, the ARCTIC Freezer 36 and the Thermalright Peerless Assassin 120 SE V3 perform admirably. The Freezer 36 operates at a maximum speed of 1800 RPM, but the noise levels are not specified, leaving some uncertainty about its acoustics.
In contrast, the Thermalright Peerless Assassin 120 SE V3 is designed to operate at a maximum of 2000 RPM while keeping noise levels down to ≤29.8dB. This means that users may experience quieter operation under load, making it a potentially better choice for those sensitive to noise.
Installation Process
The installation process is vital for both coolers, and they offer different experiences. The ARCTIC Freezer 36 features an innovative click installation system that simplifies fan replacement and cooler installation. Its compatibility with most 120 mm fans provides users with flexibility in terms of fan upgrades.
Conversely, the Thermalright Peerless Assassin 120 SE V3 comes with a mounting kit compatible with various Intel and AMD platforms, including LGA 1851, LGA 1700, AM4, and AM5. However, it requires the original backplate for AMD installations, which may complicate the setup for some users compared to the Freezer 36's more straightforward installation process.
Compatibility
Compatibility is a strong point for both coolers, with the ARCTIC Freezer 36 designed for Intel LGA 1851 and LGA 1700 sockets. Its efficient heat transfer capabilities make it suitable for high-end CPUs.
The Thermalright Peerless Assassin 120 SE V3 boasts even broader compatibility, supporting multiple Intel and AMD sockets, including the latest LGA 1700 and AM5 platforms. This versatility makes it a more future-proof option for users who may upgrade their systems.
Design and Aesthetics
In terms of design, the ARCTIC Freezer 36 sports a sleek black finish that blends well with most builds while maintaining a compact profile thanks to its single-tower design. The innovative side-flow heat sink design also adds an aesthetic element while enhancing functionality.
The Thermalright Peerless Assassin 120 SE V3 has a more robust appearance with its double-tower setup and blackened anodic matte top sheet. Its six heat pipes are fully electroplated for anti-oxidation, contributing to both durability and visual appeal. Users looking for a more striking cooler may prefer the bold design of the Peerless Assassin.
Pricing and Value
Pricing is a significant differentiator between the two coolers. The ARCTIC Freezer 36 is currently available for $30.54, while the Thermalright Peerless Assassin 120 SE V3 is priced at $35.90, making it about 17% more expensive.
Given the price difference, budget-conscious users may find the Freezer 36 to be a better value. However, those willing to spend extra may be attracted to the additional features and potentially superior cooling performance of the Peerless Assassin.
Which should you buy?
Choosing between the ARCTIC Freezer 36 and the Thermalright Peerless Assassin 120 SE V3 largely depends on your specific needs and budget. The Freezer 36 offers great value at a lower price while delivering reliable performance and a user-friendly installation process.
In contrast, the Thermalright Peerless Assassin 120 SE V3 provides enhanced cooling efficiency and broader compatibility, making it a strong choice for users looking for top-tier performance. If noise levels and aesthetics are a priority, the Peerless Assassin may be worth the extra investment. Ultimately, both coolers have their strengths, so consider your priorities to make the best choice for your setup.

