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ID-COOLING FX240 PRO Liquid CPU Cooler for Desktop - vs Thermalright Peerless Assassin 120 Vision MAX ARGB

Updated August 2026 — ID-COOLING FX240 PRO Liquid CPU Cooler for Desktop - leads on height and pump speed.

The ID-COOLING FX240 PRO offers superior cooling performance and quieter operation, making it the better choice for high-performance systems. The Thermalright Peerless Assassin, while visually appealing, is less effective for extreme cooling.

Why ID-COOLING FX240 PRO Liquid CPU Cooler for Desktop - is better

Cooling Performance

Handles TDP of 300W effectively

Noise Levels

Generally quieter operation than air coolers

Price

More budget-friendly at $54.99

Why Thermalright Peerless Assassin 120 Vision MAX ARGB is better

Aesthetics

Features a 5-inch IPS LCD screen

Installation

Easier to install for some users

Airflow

Dual-tower design provides consistent cooling

Overall score

ID-COOLING FX240 PRO Liquid CPU Cooler for Desktop -
88
Thermalright Peerless Assassin 120 Vision MAX ARGB
82

Specifications

SpecID-COOLING FX240 PRO Liquid CPU Cooler for Desktop -Thermalright Peerless Assassin 120 Vision MAX ARGB
Cooling TypeLiquidAir
Max TDP300WModerate
Fan RPM29002150
Airflow82.5 CFM69 CFM
Noise LevelQuieter≤27 dB(A)

Dimension comparison

ID-COOLING FX240 PRO Liquid CPU Cooler for Desktop -Thermalright Peerless Assassin 120 Vision MAX ARGB

Overview of the ID-COOLING FX240 PRO and Thermalright Peerless Assassin

The ID-COOLING FX240 PRO Liquid CPU Cooler is priced at $54.99, while the Thermalright Peerless Assassin is slightly more expensive at $57.69, making it about 3% pricier. Both coolers target high-performance computing, but they take different approaches to cooling technology. The FX240 PRO is an AIO liquid cooler, while the Peerless Assassin is an air cooler with a dual-tower design. This comparison aims to help you decide which cooler best fits your needs based on their unique features and performance capabilities.

Cooling Technology

The ID-COOLING FX240 PRO utilizes a liquid cooling system that can dissipate heat effectively, with a powerful pump running at 2900 RPM. This design is especially beneficial for high-performance gaming systems, handling a TDP of up to 300W. On the other hand, the Thermalright Peerless Assassin features a dual-tower air cooler design, enhanced with six pure copper heat pipes and high-speed fans rotating at 2150 RPM. While both coolers aim for efficient thermal management, the liquid cooling system of the FX240 PRO tends to be more effective in extreme conditions, whereas the Peerless Assassin excels in consistent cooling performance.

Design and Aesthetics

The ID-COOLING FX240 PRO boasts an all-black layout with a unique CD pattern on its water block, which provides a premium look that can seamlessly integrate into various PC builds. The aesthetic appeal is further enhanced by its compact design, suitable for tight spaces. In contrast, the Thermalright Peerless Assassin features a striking magnetic top cover with a 5-inch IPS LCD screen that displays real-time system parameters. Although the Peerless Assassin is bulkier, standing at 164mm in height, its dual-tower design and sleek matte black finish make it visually appealing to gamers who appreciate a high-tech look.

Noise Levels

When it comes to noise, the ID-COOLING FX240 PRO aims for quiet operation with two 120mm fans delivering a maximum airflow of 82.5 CFM. While exact noise levels are not specified for this cooler, liquid coolers generally operate more quietly than air coolers under similar loads. The Thermalright Peerless Assassin, with a maximum airflow of 69 CFM and operating noise limited to 27 dB(A), is designed for quiet performance but may not match the noise-reduction capabilities of the FX240 PRO in high-stress scenarios.

Compatibility

The ID-COOLING FX240 PRO is compatible with a wide range of Intel and AMD sockets, including LGA1851, 1700, and AM4/AM5, which makes it a versatile choice for many builds. The Thermalright Peerless Assassin also supports both Intel and AMD platforms, including LGA1851, 1700, and AM4/AM5. Both coolers are designed to fit standard ATX cases, but the height of the Peerless Assassin may pose compatibility issues in smaller cases due to its 164mm height. The FX240 PRO’s compact form factor gives it an edge in cases with limited vertical space.

Installation Process

The installation process can vary significantly between these two types of coolers. The ID-COOLING FX240 PRO features a straightforward setup with a daisy chain connector for fans, simplifying cable management. Liquid coolers generally require more care during installation to avoid leaks, but once set up, they often provide hassle-free operation. In contrast, the Thermalright Peerless Assassin, while robust in its design, may require more effort to install due to its dual-tower configuration and multiple fans. However, many users find air coolers easier to install since they don’t involve liquid handling.

Performance Benchmarking

In terms of cooling performance, the ID-COOLING FX240 PRO can handle a TDP of 300W, making it suitable for overclocked CPUs and high-performance gaming rigs. The pump's speed allows for efficient heat dissipation, making it a strong contender in performance benchmarks. The Thermalright Peerless Assassin, while offering excellent cooling performance through its dual-tower design and six heat pipes, is better suited for users with moderate overclocking needs, as it manages a lower TDP effectively. The choice between the two often comes down to the specific cooling demands of the user's CPU.

Price and Value

The ID-COOLING FX240 PRO is priced at $54.99, making it a more budget-friendly option compared to the Thermalright Peerless Assassin, which costs $57.69—about 3% more. While both coolers promise excellent performance, the price difference may influence buyers who are looking for the best value. Given that the FX240 PRO is slightly cheaper and offers liquid cooling benefits, it may be a more attractive option for those seeking performance without breaking the bank.

Which should you buy?

Ultimately, choosing between the ID-COOLING FX240 PRO and the Thermalright Peerless Assassin depends on your specific needs and preferences. If you prioritize maximum cooling capacity, quieter operation, and a sleek design that blends well with various setups, the ID-COOLING FX240 PRO is a compelling choice. However, if you prefer the aesthetics of an LCD display, a more traditional air cooling solution, and robust performance for moderate overclocking, the Thermalright Peerless Assassin is worth considering. Both coolers offer distinct advantages, so your decision should align with your cooling requirements and aesthetic preferences.