ARCTIC Freezer 36 - Single-Tower CPU Cooler with vs Thermalright Peerless Assassin 120 Black CPU Air
Updated August 2026 — Thermalright Peerless Assassin 120 Black CPU Air leads on compatibility and cooling.
The ARCTIC Freezer 36 offers solid performance at a lower price, while the Thermalright Peerless Assassin 120 Black excels in cooling efficiency and compatibility.
Why ARCTIC Freezer 36 - Single-Tower CPU Cooler with is better
Price
ARCTIC Freezer 36 is cheaper by $8.36
Installation
ARCTIC has an innovative click installation system
Design
ARCTIC has a sleek black design
Why Thermalright Peerless Assassin 120 Black CPU Air is better
Cooling Performance
Thermalright has a dual-tower design with higher TDP
Heat Pipes
Thermalright features 6 heat pipes compared to 4
Compatibility
Thermalright supports more CPU sockets
Overall score
Specifications
| Spec | ARCTIC Freezer 36 - Single-Tower CPU Cooler with | Thermalright Peerless Assassin 120 Black CPU Air |
|---|---|---|
| Heat Pipes | 4 | 6 |
| Max TDP | unknown | 245W |
| Noise Level | unknown | ≤25.6 dB(A) |
| Fan Type | Pressure-optimised | PWM |
| Socket Support | LGA1851/LGA1700 | LGA1150/1151/1155/1156/1200/1700/AM4/AM5 |
Dimension comparison
Overview of the Products
The ARCTIC Freezer 36 and the Thermalright Peerless Assassin 120 Black are both impressive CPU coolers aimed at gamers and PC enthusiasts. The ARCTIC Freezer 36 is priced at $30.54, making it about 21% cheaper than the Thermalright Peerless Assassin, which retails for $38.90. Each cooler is designed to provide efficient thermal management for high-performance CPUs, but their design philosophies and features differ significantly.
Cooling Performance
Cooling performance is a crucial factor when selecting a CPU cooler. The ARCTIC Freezer 36 features a single-tower design with four heat pipes and two pressure-optimised 120 mm fans that can operate between 200 and 1800 RPM. This setup is specifically designed to dissipate heat rapidly, ensuring your CPU maintains optimal temperatures even under heavy loads. In contrast, the Thermalright Peerless Assassin 120 Black utilizes a dual-tower design with six heat pipes and two PWM fans, which can achieve a maximum airflow of 66.17 CFM. This configuration allows it to handle a thermal design power (TDP) of up to 245W, showcasing its capability to cool even the most demanding processors effectively.
Compatibility
Both coolers offer compatibility with a wide range of CPU sockets, but they cater to slightly different setups. The ARCTIC Freezer 36 supports Intel's LGA1851 and LGA1700 platforms, allowing it to fit modern Intel CPUs seamlessly. On the other hand, the Thermalright Peerless Assassin 120 Black is compatible with a broader range of sockets, including AMD AM4/AM5 and Intel LGA 1700/115X/1851/1200/2066/2011. This makes the Thermalright cooler more versatile for users who may switch platforms in the future.
Noise Levels
Noise levels are an important consideration for users who prioritize a quiet computing environment. The ARCTIC Freezer 36 operates quietly with its fans designed to minimize noise while delivering strong cooling performance. Although specific dB ratings are not provided, the emphasis on efficient airflow suggests a focus on quiet operation. The Thermalright Peerless Assassin 120 Black also claims a noise level of ≤25.6 dB(A), which indicates that it is designed for silent performance. Both coolers appear to prioritize quiet operation, but users might find the ARCTIC Freezer 36 slightly quieter due to its optimized fan design.
Installation Process
Ease of installation can significantly influence a buyer's decision. The ARCTIC Freezer 36 features an innovative click installation system that simplifies the process of mounting the cooler and replacing the fans. This user-friendly approach is particularly beneficial for those who may not have extensive experience with CPU cooler installations. In contrast, the Thermalright Peerless Assassin 120 Black comes equipped with metal fasteners for both Intel and AMD platforms, ensuring a secure fit. While both coolers are designed for straightforward installation, the ARCTIC's click system may offer an edge in terms of simplicity.
Aesthetics and Design
Aesthetics can play a role in the selection of a CPU cooler, especially for those who value a visually appealing build. The ARCTIC Freezer 36 has a sleek black design that complements modern PC builds while maintaining a professional look. The Thermalright Peerless Assassin 120 Black features an aluminum heatsink cover with a stylish finish, enhancing its visual appeal. Both coolers bring a modern aesthetic to the table, but the choice may come down to personal preference in terms of design and color scheme.
Price Comparison
When it comes to price, the ARCTIC Freezer 36 offers a more budget-friendly option at $30.54, while the Thermalright Peerless Assassin 120 Black is priced at $38.90. This represents a difference of approximately $8.36, or about 27%. For users on a tighter budget, the ARCTIC cooler presents a compelling option without sacrificing too much in terms of performance. However, the Thermalright cooler’s additional features and higher heat pipe count may justify its higher price for those seeking maximum cooling efficiency.
Which should you buy?
Ultimately, the choice between the ARCTIC Freezer 36 and the Thermalright Peerless Assassin 120 Black comes down to your specific needs and preferences. If you are looking for a cost-effective solution with solid performance for high-end CPUs, the ARCTIC Freezer 36 is an excellent choice. However, if you prioritize maximum cooling and compatibility across a wider range of CPU sockets, the Thermalright Peerless Assassin 120 Black may be worth the extra investment. Each cooler has unique strengths, making them suitable for different types of users in the competitive landscape of CPU cooling solutions.

