ID-COOLING FX240 PRO Liquid CPU Cooler for Desktop - vs Thermalright Assassin X 120R Digital ARGB Black
Updated August 2026 — ID-COOLING FX240 PRO Liquid CPU Cooler for Desktop - leads on cooling performa and build quality.
The ID-COOLING FX240 PRO excels in cooling performance and design, while the Thermalright Assassin X offers great value for budget-conscious users.
Why ID-COOLING FX240 PRO Liquid CPU Cooler for Desktop - is better
Cooling Performance
ID-COOLING has a TDP of 300W compared to Thermalright's standard cooling.
Design
ID-COOLING features a premium all-black layout with a unique water block design.
Noise Levels
ID-COOLING operates silently with efficient fans.
Why Thermalright Assassin X 120R Digital ARGB Black is better
Price
Thermalright is significantly cheaper at $24.90.
Installation
Thermalright includes detailed installation accessories.
Digital Features
Thermalright has a digital screen for real-time monitoring.
Overall score
Specifications
| Spec | ID-COOLING FX240 PRO Liquid CPU Cooler for Desktop - | Thermalright Assassin X 120R Digital ARGB Black |
|---|---|---|
| TDP | 300W | Not specified |
| Fan Speed | 2900RPM | 2000RPM |
| Max Air Flow | 82.5CFM | 70.84CFM |
| Noise Level | Silent | ≤ 29.8db(A) |
| Compatibility | Intel & AMD | Intel & AMD |
Dimension comparison
Overview of the Products
The ID-COOLING FX240 PRO Liquid CPU Cooler and the Thermalright Assassin X 120R Digital ARGB Black CPU Cooler are two popular choices for cooling CPUs in desktop systems. Both products cater to different user needs, with the ID-COOLING model designed for high-performance scenarios and the Thermalright model offering a more budget-friendly option.
The ID-COOLING FX240 PRO is priced at $54.99, while the Thermalright Assassin X is priced at $24.90, making it about 55% cheaper. This significant price difference reflects the different cooling technologies and target audiences for each product.
Cooling Performance
When it comes to cooling performance, the ID-COOLING FX240 PRO is built for extreme cooling, boasting a TDP of 300W and featuring a powerful pump that operates at 2900RPM. This design allows it to efficiently dissipate heat, especially during intense gaming or high-performance computing tasks.
In comparison, the Thermalright Assassin X provides a respectable cooling solution with its 2000RPM fan speed and a maximum wind pressure of 2.63mm H2O. Although it offers decent performance, it is primarily suited for standard use cases rather than extreme overclocking scenarios. The ID-COOLING is clearly the superior option for users prioritizing performance.
Design and Aesthetics
The design of the ID-COOLING FX240 PRO is characterized by an all-black layout and a unique CD pattern on the water block, making it visually appealing and suitable for various PC builds. Its sleek design is intended to blend seamlessly into darker cases, enhancing the overall aesthetic of the setup.
On the other hand, the Thermalright Assassin X features a digital screen top cover that displays real-time CPU and GPU temperatures, which adds a modern touch to its appearance. While it may not have the same level of sophistication as the ID-COOLING in aesthetics, its ARGB lighting provides an attractive visual effect, especially for users looking to customize their rigs.
Installation Process
The installation process for both coolers is straightforward, but they differ in complexity. The ID-COOLING FX240 PRO offers simple cable management through its daisy chain connector, which helps reduce clutter. This feature is particularly beneficial for users who prefer a tidy build.
Conversely, the Thermalright Assassin X comes with a detailed installation accessory and can be fitted according to a video or manual guide. This ensures that even novice builders can install it without much hassle. However, installing it on AMD platforms requires using the motherboard's original backplate, which could complicate things for some users.
Noise Levels
Noise levels can significantly affect the user experience, especially in quiet environments. The ID-COOLING FX240 PRO operates silently, thanks to its efficient fans designed for high airflow with minimal noise.
The Thermalright Assassin X, while also designed to minimize noise, has an operating noise level of up to 29.8db(A). Though this is fairly quiet, it might be noticeable in a silent setting. For users who prioritize quiet operation, the ID-COOLING could be the preferable choice.
Compatibility
Both coolers offer broad compatibility with Intel and AMD sockets, making them versatile options for various builds. The ID-COOLING FX240 PRO supports a wide range of Intel (LGA1851/1700/1200/1151/1150/1155/1156) and AMD (AM4/AM5) sockets, ensuring it can fit into many systems.
The Thermalright Assassin X also supports the same Intel and AMD sockets, including the latest AM4 and AM5 platforms. This makes both products excellent choices for users with newer generation CPUs, but the ID-COOLING's extensive compatibility options might be a slight advantage for those using older systems.
Price Consideration
Price is a crucial factor when choosing between these two products. The ID-COOLING FX240 PRO is priced at $54.99, while the Thermalright Assassin X is significantly less expensive at $24.90. This difference of about $30 means that the Thermalright is a more budget-friendly option, appealing to users who may not require the extreme cooling power provided by the ID-COOLING.
However, for users looking for high-performance cooling and willing to invest, the ID-COOLING may justify its higher price with superior features and performance capabilities.
Which should you buy?
Choosing between the ID-COOLING FX240 PRO and the Thermalright Assassin X ultimately depends on your specific needs and budget. If you are looking for high cooling performance for gaming or heavy tasks, the ID-COOLING FX240 PRO is the clear winner with its advanced liquid cooling technology and efficient design. However, if you are on a budget and need a reliable cooler for standard computing tasks, the Thermalright Assassin X offers great value at a significantly lower price point. Both products have their strengths, making them suitable for different types of users.

