ARCTIC Freezer 36 - Single-Tower CPU Cooler with vs Thermalright Assassin X 120R Digital ARGB Black
Updated August 2026 — ARCTIC Freezer 36 - Single-Tower CPU Cooler with leads on installation eas and cooling efficien.
The ARCTIC Freezer 36 offers superior cooling efficiency and quieter operation, while the Thermalright Assassin X 120R is more budget-friendly with a higher fan speed.
Why ARCTIC Freezer 36 - Single-Tower CPU Cooler with is better
Cooling Performance
ARCTIC Freezer 36 has a more efficient cooling design.
Noise Levels
ARCTIC Freezer 36 operates quieter at lower speeds.
Installation
ARCTIC Freezer 36 features an innovative click installation system.
Why Thermalright Assassin X 120R Digital ARGB Black is better
Price
Thermalright Assassin X 120R is 25% cheaper.
Fan Speed
Thermalright Assassin X 120R has a higher fan speed of 2000 RPM.
Aesthetics
Thermalright Assassin X 120R features ARGB lighting.
Overall score
Specifications
| Spec | ARCTIC Freezer 36 - Single-Tower CPU Cooler with | Thermalright Assassin X 120R Digital ARGB Black |
|---|---|---|
| Max RPM | 1800 | 2000 |
| Heatpipes | 4 | 4 |
| Fan Type | P Fans | PWM Fan |
| Material | Aluminum | Copper/Aluminum |
| Warranty | 2 years | 2 years |
Dimension comparison
Price Comparison
When comparing the ARCTIC Freezer 36 and the Thermalright Assassin X 120R, the price difference is significant. The ARCTIC Freezer 36 is priced at $30.54, while the Thermalright Assassin X 120R is available for $22.90. This makes the Thermalright option about 25% cheaper than the ARCTIC cooler. For budget-conscious consumers, this lower price point may be a decisive factor, especially if performance needs are met without a premium price tag.
Cooling Performance
In terms of cooling performance, both coolers are designed to handle high-end CPUs efficiently. The ARCTIC Freezer 36 features four heat pipes and operates with two pressure-optimised 120 mm fans that can spin between 200 and 1800 RPM. This design allows for rapid heat transfer and effective dissipation of heat. On the other hand, the Thermalright Assassin X 120R also utilizes four heat pipes and boasts a performance-level fan speed of 2000 RPM. While both coolers are adept at managing heat, the slightly higher RPM on the Thermalright unit may provide an edge in cooling performance, making it a strong contender for those looking to push their systems to the limit.
Installation and Compatibility
Installation can be a hassle for many users, but both coolers have made strides to simplify this process. The ARCTIC Freezer 36 employs an innovative click installation system, making it easier to install or replace fans. It is compatible with most 120 mm fans, increasing its versatility. Conversely, the Thermalright Assassin X 120R has a height of 151 mm, making it compatible with most cases while still maintaining solid cooling performance. Each cooler is designed with user-friendliness in mind, but the ARCTIC's innovative mounting system could appeal to those who frequently upgrade or replace components.
Design and Aesthetics
Aesthetics can play a significant role in choosing a CPU cooler, especially for those who value the visual appeal of their builds. The ARCTIC Freezer 36 has a sleek black design, which is understated yet modern. Its performance-focused design does not compromise on looks. In contrast, the Thermalright Assassin X 120R features a digital screen top cover and ARGB lighting, allowing for a customizable and visually striking setup. This might attract users who are interested in RGB lighting and a more dynamic look for their builds.
Noise Levels
Noise levels are an essential consideration for many PC builders, particularly for those who aim for a quiet working environment. The ARCTIC Freezer 36 is engineered to operate efficiently, which implies a quieter experience during normal operations, especially at lower fan speeds. The Thermalright Assassin X 120R, while equipped with a high-speed fan, incorporates silicone corner pads to reduce noise from rotation. However, the higher RPM may lead to increased noise under load. Users who prioritize a quieter operation might lean toward the ARCTIC cooler.
Brand Reputation
Brand reputation can be a deciding factor when choosing a cooler. ARCTIC has established a solid reputation for quality and durability in the cooling market, particularly with its long-standing history in producing effective cooling solutions. Meanwhile, Thermalright is also well-regarded, known for innovative designs and reliable performance. Both brands come with a commitment to quality, but ARCTIC's focus on high-performance products may give it a slight edge for users prioritizing reliability.
Customer Support and Warranty
Customer support and warranty options are crucial aspects to consider when investing in PC components. While specific warranty details are not provided in the data, ARCTIC has a reputation for good customer service and support, which enhances the overall ownership experience. Thermalright also provides decent support, but users might find ARCTIC's customer service more accessible based on user reviews and experiences. Both brands aim to ensure customer satisfaction, but ARCTIC's established reputation might provide an added layer of confidence for buyers.
Which should you buy?
When deciding between the ARCTIC Freezer 36 and the Thermalright Assassin X 120R, the choice largely depends on your priorities. If you're looking for a cost-effective solution, the Thermalright Assassin X 120R is about 25% cheaper and offers high performance with its 2000 RPM fan speed. However, if you value a quieter operation and ease of installation, the ARCTIC Freezer 36 might be the better choice, thanks to its innovative mounting system and proven cooling efficiency. Ultimately, both coolers provide excellent performance, but your specific needs and budget will guide your final decision.

