ID-COOLING FX240 PRO Liquid CPU Cooler for Desktop - vs Thermalright Peerless Assassin 120 SE CPU Cooler,
Updated August 2026 — ID-COOLING FX240 PRO Liquid CPU Cooler for Desktop - leads on design and fan efficiency.
The ID-COOLING FX240 PRO offers superior cooling performance and modern aesthetics, while the Thermalright Peerless Assassin 120 SE is a more budget-friendly option. Ultimately, the choice depends on individual preferences.
Why ID-COOLING FX240 PRO Liquid CPU Cooler for Desktop - is better
Cooling Performance
ID-COOLING has a higher TDP of 300W.
Fan Efficiency
ID-COOLING provides stronger airflow at 82.5 CFM.
Design
ID-COOLING features a modern aesthetic with a premium water block.
Why Thermalright Peerless Assassin 120 SE CPU Cooler, is better
Price
Thermalright is $5 cheaper.
Noise Level
Thermalright operates at a quieter noise level of 25.6 dB(A).
Brand Reputation
Thermalright has over 20 years of industry experience.
Overall score
Specifications
| Spec | ID-COOLING FX240 PRO Liquid CPU Cooler for Desktop - | Thermalright Peerless Assassin 120 SE CPU Cooler, |
|---|---|---|
| Pump RPM | 2900 | 1550 |
| Max Airflow | 82.5 CFM | 66.17 CFM |
| Noise Level | N/A | 25.6 dB(A) |
| Compatibility | Intel & AMD | Intel & AMD |
| Cooling Type | Liquid | Air |
Dimension comparison
Price Comparison
When considering price, the Thermalright Peerless Assassin 120 SE is the more economical choice, priced at $49.99 compared to the ID-COOLING FX240 PRO's price of $54.99. This makes the Thermalright approximately 10% cheaper than the ID-COOLING model. For budget-conscious consumers, this price difference could be a significant factor in their purchasing decision, especially when both products are designed to offer quality cooling solutions for CPU performance.
Cooling Performance
The ID-COOLING FX240 PRO boasts a powerful pump running at 2900 RPM, designed to efficiently dissipate heat, making it suitable for high-performance gaming and computing systems with a thermal design power (TDP) of 300W. In contrast, the Thermalright Peerless Assassin 120 SE features a dual tower cooling system with six heat pipes, which employs AGHP technology to enhance cooling performance. While the ID-COOLING model focuses on liquid cooling efficiency, the Thermalright offers robust air cooling, which may appeal to different types of users depending on their cooling needs.
Fan Efficiency
The ID-COOLING FX240 PRO comes with two 120mm high-efficient fans that deliver a maximum airflow of 82.5 CFM and a pressure of 2.55 mmH2O. This high efficiency is crucial for maintaining low temperatures in demanding environments. On the other hand, the Thermalright Peerless Assassin 120 SE is equipped with dual 120mm PWM fans that generate an airflow of 66.17 CFM at a noise level of 25.6 dB(A). While the ID-COOLING fans provide stronger airflow, the Thermalright's quieter operation may be a deciding factor for users prioritizing a silent computing experience.
Compatibility
In terms of compatibility, both coolers support a range of Intel and AMD sockets, including the latest models. The ID-COOLING FX240 PRO is compatible with Intel LGA1851/1700/1200/1151/1150/1155/1156 and AMD AM4/AM5 sockets. Conversely, the Thermalright Peerless Assassin 120 SE is compatible with Intel LGA 1700/1150/1151/1200/1851 and AMD AM4/AM5 sockets. This wide compatibility ensures that both products can accommodate a variety of builds, appealing to a broad audience of PC builders.
Design and Aesthetics
The design of the ID-COOLING FX240 PRO features an all-black layout that blends seamlessly with most PC cases, particularly those with dark interiors. Additionally, it showcases a premium water block with a CD pattern that enhances visual appeal. In comparison, the Thermalright Peerless Assassin 120 SE has a more traditional air cooler appearance but is made with high-quality aluminum and features a double tower design that enhances its structural integrity. Users looking for aesthetic integration may prefer the ID-COOLING's modern design, while others might appreciate the classic look of the Thermalright.
Installation and Cable Management
The ID-COOLING FX240 PRO offers a simplified installation process with a daisy chain connector for its fans, reducing cable clutter and making cable management easier. This feature is particularly beneficial for users who value a clean and organized build. The Thermalright Peerless Assassin 120 SE, while featuring a straightforward installation process, requires users to check compatibility with their case and motherboard dimensions. This attention to detail is important, but it may require additional effort from users unfamiliar with PC building.
Brand Reputation
ID-COOLING is known for producing high-performance cooling solutions tailored for gaming and intensive computing, making the FX240 PRO an appealing option for gamers. Thermalright, with over 20 years in the industry, boasts a strong reputation in both domestic and foreign markets, focusing on the research and development of computer accessories. Users may factor in brand reputation when making their decision, with Thermalright potentially appealing to those who prioritize established brands with proven track records.
Which should you buy?
In conclusion, the choice between the ID-COOLING FX240 PRO and the Thermalright Peerless Assassin 120 SE ultimately depends on individual needs and preferences. If you are looking for a more affordable option with solid performance, the Thermalright model is priced at $49.99, making it about 10% cheaper than the ID-COOLING at $54.99. However, if you prioritize extreme cooling efficiency and modern aesthetics, the ID-COOLING FX240 PRO may be worth the extra investment. Both models offer compatibility with a wide range of systems, but your specific cooling requirements, budget, and design preferences will guide the best choice for your PC build.

