MONTECH NX600 Dual-Tower CPU Air Cooler with 6 vs Thermalright Assassin X 120R Digital ARGB Black
Updated August 2026 — MONTECH NX600 Dual-Tower CPU Air Cooler with 6 leads on fan efficiency and aesthetics.
The MONTECH NX600 offers superior cooling performance and lower noise levels, making it the better choice for high-demand users. However, the Thermalright Assassin X 120R provides a more budget-friendly option with a unique aesthetic.
Why MONTECH NX600 Dual-Tower CPU Air Cooler with 6 is better
Cooling Performance
Dual-tower design with six heat pipes provides superior heat dissipation.
Noise Levels
Designed for whisper-quiet operation.
Build Quality
Soldered copper base ensures rapid heat transfer.
Why Thermalright Assassin X 120R Digital ARGB Black is better
Price
More affordable at $24.90.
Aesthetic
Digital screen adds a modern touch.
Fan Speed
Higher fan speed at 2000RPM.
Overall score
Specifications
| Spec | MONTECH NX600 Dual-Tower CPU Air Cooler with 6 | Thermalright Assassin X 120R Digital ARGB Black |
|---|---|---|
| Cooling Type | Air | Air |
| Socket Support | All major | Intel/AMD |
| Fan Technology | E28 PWM | TL-P12-S PWM |
| Operating Noise | ≤ 25db | ≤ 29.8db |
| Price | $27.96 | $24.90 |
Dimension comparison
Price Comparison
When comparing the MONTECH NX600 Dual-Tower CPU Air Cooler and the Thermalright Assassin X 120R Digital ARGB Black CPU Cooler, the price difference is notable. The MONTECH NX600 is priced at $27.96, while the Thermalright Assassin X 120R comes in at $24.90. This makes the MONTECH NX600 about 12% more expensive than its competitor. While both coolers are positioned within a similar price bracket, the MONTECH's slightly higher cost may reflect its dual-tower design and additional features.
Cooling Performance
Cooling performance is a crucial factor when choosing a CPU cooler. The MONTECH NX600 boasts a dual-tower design with six heat pipes and dual performance fans, providing superior heat dissipation. This setup is engineered for maximum airflow efficiency, making it an excellent choice for gamers and creators who demand effective cooling. In contrast, the Thermalright Assassin X 120R features a single tower with four heat pipes and a 2000RPM fan. Although it still provides respectable cooling, the MONTECH's design may offer better thermal management under heavy loads.
Fan Technology
The fan technology in both products is designed to deliver optimal performance. The MONTECH NX600 utilizes two E28 PWM fans, which are tuned for airflow while maintaining whisper-quiet operation. This makes it suitable for environments where noise levels are a concern. On the other hand, the Thermalright Assassin X 120R features a TL-P12-S PWM fan that operates at a maximum speed of 2000RPM. While both coolers aim for quiet performance, the MONTECH's dual fans may provide better cooling efficiency overall, especially during intense gaming sessions.
Compatibility
Both coolers offer extensive compatibility with various CPU sockets, making them versatile choices for system builders. The MONTECH NX600 is compatible with all major sockets, including Intel LGA115X / 1200 / 1700 / 1851 and AMD AM4 / AM5. The Thermalright Assassin X 120R supports similar Intel and AMD sockets, including LGA 1851 / 1700 / 115X / 1200 and AM4 / AM5. However, the MONTECH's broader compatibility may provide a slight edge, especially for users looking to upgrade their systems without worrying about fitment issues.
Aesthetic Appeal
Aesthetic appeal can significantly influence a buyer's decision, particularly for those building high-end systems. The MONTECH NX600 features a sleek top cover that conceals the heat pipe ends and fin stacks, offering a clean look to complement any build. Additionally, its white finish may appeal to users looking for a specific color scheme. The Thermalright Assassin X 120R, with its digital screen top cover, provides not only a modern appearance but also functionality by displaying CPU and GPU temperatures. While both have their unique aesthetics, the choice may ultimately depend on whether the buyer prefers a minimalist design or a more tech-savvy look.
Noise Levels
Noise levels are an essential consideration for users who prefer a quieter computing experience. The MONTECH NX600 is designed for whisper-quiet operation, making it a great option for those who prioritize low noise levels. In contrast, the Thermalright Assassin X 120R has an operating noise level of up to 29.8db (A). While this is not excessively loud, it may be slightly more noticeable than the MONTECH under load. For users sensitive to noise, the MONTECH NX600 may have the advantage in this category.
Build Quality
Build quality is vital for the longevity and performance of CPU coolers. The MONTECH NX600 features a soldered copper base directly connected to its six heat pipes, ensuring rapid heat transfer and minimal thermal resistance. This design not only enhances cooling performance but also contributes to the overall durability of the cooler. The Thermalright Assassin X 120R, made with aluminum fins, also offers good build quality but may not provide the same level of heat transfer efficiency as the copper base in the MONTECH.
Which should you buy?
Choosing between the MONTECH NX600 and the Thermalright Assassin X 120R ultimately comes down to your specific needs. If you prioritize maximum cooling efficiency, lower noise levels, and broader compatibility, the MONTECH NX600 is a compelling option. However, if you are looking for a more affordable cooler with a unique aesthetic and digital display, the Thermalright Assassin X 120R is a solid choice. The decision hinges on whether you are willing to invest slightly more for enhanced performance and features or if you prefer a budget-friendly solution without compromising too much on cooling capabilities.

