ARCTIC MX-4 vs ARCTIC Liquid Freezer III Pro 240 - AIO CPU Cooler
Updated August 2026 — The ARCTIC Liquid Freezer III Pro 240 offers superior cooling performance, while the ARCTIC MX-4 is an excellent budget-friendly thermal paste. Choose based on your cooling needs and budget.
The ARCTIC Liquid Freezer III Pro 240 offers superior cooling performance, while the ARCTIC MX-4 is an excellent budget-friendly thermal paste. Choose based on your cooling needs and budget.
Why ARCTIC MX-4 is better
affordability
MX-4 is significantly cheaper at £11.49
ease of use
MX-4 is easy to apply, suitable for beginners
universal compatibility
MX-4 works with various CPUs and GPUs
Why ARCTIC Liquid Freezer III Pro 240 - AIO CPU Cooler is better
cooling performance
Liquid Freezer III Pro 240 provides advanced cooling capabilities
quiet operation
Liquid Freezer III Pro 240 operates quietly under load
durability features
Liquid Freezer III Pro 240 includes an integrated VRM fan for longevity
Overall score
Specifications
| Spec | ARCTIC MX-4 | ARCTIC Liquid Freezer III Pro 240 - AIO CPU Cooler |
|---|---|---|
| Brand | ARCTIC | ARCTIC |
| Type | Thermal Paste | AIO CPU Cooler |
| Thermal Conductivity | High | Very High |
| Fan Type | N/A | P12 PRO Fan |
| Application | Easy | Moderate |
Dimension comparison
Overview of Products
In this comparison, we will explore the ARCTIC MX-4 and the ARCTIC Liquid Freezer III Pro 240. The MX-4 is a thermal paste priced at £11.49, while the Liquid Freezer III Pro 240, an all-in-one (AIO) CPU cooler, is significantly more expensive at £56.49. Both products come from ARCTIC, a brand known for its cooling solutions, but they serve very different purposes in the realm of CPU cooling.
Performance Analysis
When it comes to performance, the ARCTIC MX-4 excels in thermal conductivity, utilising carbon microparticles to ensure efficient heat dissipation from the CPU or GPU. This feature is essential for maintaining optimal temperatures during intensive tasks. On the other hand, the ARCTIC Liquid Freezer III Pro 240 offers a substantial cooling advantage with its advanced fan technology. The P12 PRO fan is designed to provide more power, particularly at lower speeds, enhancing cooling efficiency during high-load situations. The Liquid Freezer III Pro 240 is engineered for maximum cooling performance, making it ideal for overclocked systems or high-performance builds.
Application and Installation
The ARCTIC MX-4 is designed for ease of application, boasting an ideal consistency that makes it user-friendly, even for beginners. Its non-electrically conductive formula reduces the risk of short circuits, providing an added layer of safety when applying thermal paste. In contrast, the ARCTIC Liquid Freezer III Pro 240 incorporates a more complex installation process due to its AIO nature. It features a contact frame optimised for Intel LGA1851 and LGA1700 sockets, which ensures effective heat transfer and longer CPU life. This setup may require a bit more technical know-how, particularly for those unfamiliar with AIO coolers.
Price Comparison
The pricing difference between the two products is significant, with the ARCTIC MX-4 retailing at £11.49 and the ARCTIC Liquid Freezer III Pro 240 priced at £56.49. This £45 gap reflects the different functionalities of the products. While the MX-4 is an affordable solution for enhancing thermal transfer, the Liquid Freezer III Pro 240 represents a larger investment in comprehensive cooling performance for users who seek robust cooling solutions for high-performance CPUs.
Compatibility and Versatility
The MX-4 thermal paste is versatile enough to be used with various CPUs and GPUs, making it a universal choice for different builds. Its metal-free composition ensures compatibility without the risk of electrical conduction. On the other hand, the Liquid Freezer III Pro 240 is specifically designed for modern Intel and AMD systems, featuring native offset mounting to optimise cooling performance by shifting the cold plate centre towards the CPU hotspot. This targeted approach enhances heat transfer efficiency, but it may limit compatibility with older systems, making the MX-4 a more universally applicable option.
Noise Levels
In terms of noise levels, the ARCTIC Liquid Freezer III Pro 240 has been engineered for quiet operation, particularly due to its PWM-controlled fan that adjusts speed based on CPU load. This feature ensures that the cooler operates quietly even under high-performance scenarios, providing a more pleasant computing experience. The MX-4, being thermal paste, does not produce noise on its own but relies on the cooling solution it is paired with, meaning that the overall noise levels depend on the cooling system in use.
Build Quality and Durability
Both products reflect high build quality typical of ARCTIC products, but they cater to different aspects of durability. The ARCTIC MX-4 is known for its proven quality, with an unchanged formula that has stood the test of time. It is also backed by an authenticity check to ensure you are receiving a genuine product. Meanwhile, the Liquid Freezer III Pro 240 is designed with durability in mind, featuring an integrated VRM fan that helps to keep voltage converters cool, thus prolonging the lifespan and ensuring reliable performance of the entire system.
Which should you buy?
Ultimately, the choice between the ARCTIC MX-4 and the ARCTIC Liquid Freezer III Pro 240 comes down to your specific needs. If you are looking for an affordable thermal paste that offers excellent thermal conductivity and is easy to apply, the MX-4 is a fantastic choice at £11.49. However, if you require a comprehensive cooling solution for a high-performance CPU and are willing to invest £56.49, the Liquid Freezer III Pro 240 offers advanced features and superior cooling capabilities. Consider your system requirements and budget before making a decision, as each product serves a distinct purpose in the realm of cooling solutions.
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