vsversusfinder

ARCTIC Liquid Freezer III Pro 240 A-RGB - vs Thermalright Assassin X 120R Digital ARGB Black

Updated August 2026 — ARCTIC Liquid Freezer III Pro 240 A-RGB - leads on noise level and fan technology.

The ARCTIC Liquid Freezer III Pro offers superior cooling performance and quieter operation, making it the better choice for high-performance needs. The Thermalright Assassin X 120R is a budget-friendly option that provides decent cooling for moderate tasks.

Why ARCTIC Liquid Freezer III Pro 240 A-RGB - is better

Cooling Performance

Superior cooling efficiency with a 240 mm radiator.

Noise Levels

Quieter operation at lower speeds.

Installation

Integrated cable management for a cleaner look.

Why Thermalright Assassin X 120R Digital ARGB Black is better

Price

Significantly cheaper at $22.90.

Compatibility

Compatible with a wider range of sockets.

Aesthetics

Unique digital screen top cover.

Overall score

ARCTIC Liquid Freezer III Pro 240 A-RGB -
85
Thermalright Assassin X 120R Digital ARGB Black
65

Specifications

SpecARCTIC Liquid Freezer III Pro 240 A-RGB -Thermalright Assassin X 120R Digital ARGB Black
Cooling TypeLiquidAir
Socket CompatibilityAM5, LGA1700AM4, AM5, LGA1700
Fan TypePWMPWM
RGB LightingYesYes
Warranty6 years5 years

Dimension comparison

ARCTIC Liquid Freezer III Pro 240 A-RGB -Thermalright Assassin X 120R Digital ARGB Black

Overview of the ARCTIC Liquid Freezer III Pro 240 A-RGB

The ARCTIC Liquid Freezer III Pro 240 A-RGB is a powerful all-in-one (AIO) liquid cooler priced at $80.00. It features a robust 240 mm radiator and is designed for compatibility with both AMD and Intel processors, including the latest AM5 and LGA1700 sockets. The cooler incorporates advanced technology such as a PWM-controlled pump and an integrated VRM fan to ensure optimal performance and temperature management during intensive tasks.

This cooler is specifically engineered for efficient heat dissipation, thanks to its native offset mounting that enhances contact pressure on the CPU. The ARCTIC P12 Pro fan offers superior performance, particularly at lower speeds, making it quieter than many of its competitors. The sleek design with integrated cable management further adds to its appeal, making installation tidy and straightforward.

Overview of the Thermalright Assassin X 120R Digital ARGB

The Thermalright Assassin X 120R Digital ARGB is a budget-friendly air cooler priced at $22.90, making it about 71% cheaper than the ARCTIC Liquid Freezer III Pro. This cooler features a 12 cm PWM fan with a top speed of 2000 RPM and boasts four heat pipes for effective heat dissipation. It is compatible with a wide range of sockets, including AM4, AM5, and various Intel LGA models, ensuring versatility for different builds.

The Assassin X 120R also offers aesthetic appeal with its digital screen top cover and ARGB lighting that synchronizes with your motherboard. Its design focuses on reducing noise through silicone corner pads and ensuring stable performance with its innovative heat pipe technology. Though it is not as powerful as the ARCTIC, it provides solid cooling performance at a significantly lower price point.

Cooling Performance

When it comes to cooling performance, the ARCTIC Liquid Freezer III Pro is engineered for high efficiency with its 240 mm radiator and advanced fan technology. The PWM fan not only operates quietly but also delivers powerful airflow suitable for high-load scenarios, making it ideal for gaming and intensive computing tasks. The integrated VRM fan also assists in maintaining optimal temperatures for voltage converters.

In contrast, the Thermalright Assassin X 120R, while capable, may not match the cooling efficiency of the ARCTIC under heavy loads. Its 12 cm fan and four heat pipes provide adequate cooling for moderate usage but might struggle with overclocked CPUs or high-performance builds. Users looking for extreme cooling may find the ARCTIC's liquid cooling superior, especially in demanding applications.

Noise Levels

The noise levels of cooling solutions can impact user experience significantly. The ARCTIC Liquid Freezer III Pro is designed to operate quietly, particularly at lower speeds, thanks to its advanced P12 Pro fan. This feature allows users to enjoy a quieter workspace while still maintaining excellent cooling performance, which is crucial for gamers and content creators alike.

On the other hand, the Thermalright Assassin X 120R is also designed with noise reduction in mind, featuring silicone pads that help minimize vibrations. However, its maximum fan speed of 2000 RPM may lead to higher noise levels compared to the ARCTIC under peak performance. For users sensitive to noise, the ARCTIC's design may be more appealing due to its quieter operation.

Installation Ease

Installation can be a deciding factor for many users. The ARCTIC Liquid Freezer III Pro comes with an integrated cable management system, simplifying the installation process by only requiring a single visible cable connection to the motherboard. Its native offset mounting system also ensures proper alignment with the CPU, enhancing heat transfer efficiency.

The Thermalright Assassin X 120R, while relatively straightforward to install, may involve more visible cabling due to its air-cooling design. However, its compatibility with various sockets and the ease of mounting can be advantageous for users with different setups. Both coolers offer reasonable installation experiences, but the ARCTIC's design provides a cleaner final look.

Aesthetic Appeal

Aesthetic considerations are essential for many PC builders, particularly those showcasing their rigs. The ARCTIC Liquid Freezer III Pro features a sleek design with A-RGB lighting that can be synchronized with other components. Its modern look complements most builds, making it a desirable choice for aesthetic-focused users.

Conversely, the Thermalright Assassin X 120R also features ARGB lighting, which adds a colorful touch to any setup. The digital screen top cover further enhances its visual appeal, offering a unique look that stands out. While both coolers cater to aesthetics, the ARCTIC may have a slight edge with its more polished overall design.

Price Comparison

The price difference between the two coolers is quite significant. The ARCTIC Liquid Freezer III Pro is priced at $80.00, while the Thermalright Assassin X 120R is available for just $22.90. This makes the Thermalright about 71% cheaper than the ARCTIC model. For users on a tight budget, the Thermalright provides an attractive option that still delivers decent performance, although it lacks some features found in the more expensive ARCTIC cooler.

In contrast, the ARCTIC's higher price reflects its advanced technology and superior cooling capabilities, making it a worthy investment for users seeking top-tier performance. Ultimately, the choice depends on the user's budget and performance needs.

Which should you buy?

Choosing between the ARCTIC Liquid Freezer III Pro and the Thermalright Assassin X 120R ultimately comes down to your specific needs and budget. If you are seeking high-performance cooling, particularly for gaming or overclocked CPUs, the ARCTIC model is the clear winner with its superior cooling efficiency and quieter operation. However, if you are on a tight budget and need a reliable cooler for moderate tasks, the Thermalright Assassin X 120R offers excellent value for money and decent performance.