ARCTIC MX-6 vs PTM7950 Thermal pad 40x80x0.25mm phase change thermal pad

Overview of the Products

When it comes to thermal solutions, ARCTIC MX-6 and PTM7950 Thermal Pad cater to different preferences and use cases. The ARCTIC MX-6 is priced at £6.99, while the PTM7950 Thermal Pad offers a more premium option at £19.99. Each product boasts unique features that may appeal to various users based on their cooling needs.

Performance Comparison

In terms of thermal performance, the ARCTIC MX-6 claims to have a 20% better performance compared to its predecessor, the MX-4, highlighting its lower thermal resistance. However, the PTM7950 Thermal Pad excels with a thermal conductivity rating of 8.5 W/mK, which is crucial for efficient heat dissipation in high-performance integrated circuits. This stark contrast in thermal conductivity indicates that while the MX-6 is designed for versatile application scenarios, the PTM7950 is tailored for more demanding cooling requirements.

Application Versatility

The ARCTIC MX-6 stands out for its versatile application capabilities, making it suitable for a variety of cooling scenarios, including direct-die cooling for GPUs and console processors. Its viscosity allows for easy application, ensuring a solid bond between the components. Conversely, the PTM7950 Thermal Pad, with its specific size of 40x80x0.25mm, is designed primarily for high-performance integrated circuits and is effective in settings where low thermal impedance is essential. This makes the PTM7950 a more specialised option compared to the general-purpose nature of the MX-6.

Safety Features

Safety is a crucial consideration for any thermal interface material. The ARCTIC MX-6 is neither electrically conductive nor capacitive, significantly reducing the risk of short circuits or electrical discharges during application. This feature is particularly beneficial for users who may be concerned about mishaps while handling thermal paste. On the other hand, the PTM7950 has been tested for reliability, maintaining performance for over 1000 hours at 150 °C, making it a robust choice for long-term use in high-performance applications.

Durability and Reliability

Durability is another important factor when choosing between these two products. The PTM7950 Thermal Pad boasts exceptional longevity, withstanding 1000 cycles of thermal cycling and exhibiting excellent interfacial wettability. This ensures that the thermal pad maintains low surface contact resistance over time, which is critical for consistent performance. In contrast, while the ARCTIC MX-6 is noted for its proven quality developed over 20 years, specific longevity metrics are not provided, making it less clear how it compares in terms of long-term durability.

Packaging and Accessories

When it comes to packaging, the PTM7950 Thermal Pad offers a comprehensive package that includes a Phillips screwdriver, cleaning cloth, spatula, and cleaning brush alongside the thermal pad itself. This allows users to prepare their setup effectively and ensures a cleaner application process. In comparison, the ARCTIC MX-6 is a standalone product without any additional accessories, which may limit convenience for users who lack the necessary tools for application.

Brand Reputation

Both brands have established themselves within the cooling market, but their focus differs. ARCTIC has built a reputation over 20 years, emphasising improved performance and user-friendly products. The MX-6 reflects this philosophy with its risk-free application and versatility. Meanwhile, Aukuoy, the brand behind the PTM7950, focuses on producing specialised materials for high-performance applications, which may appeal to professionals and enthusiasts who require precision in their thermal solutions.

Which should you buy?

Choosing between the ARCTIC MX-6 and the PTM7950 Thermal Pad ultimately depends on your specific cooling needs. If you're looking for a budget-friendly option with versatile applications and a well-established reputation, the ARCTIC MX-6 at £6.99 is a solid choice. However, if your priority is superior thermal conductivity for high-performance integrated circuits and you are willing to invest more at £19.99, the PTM7950 Thermal Pad is likely the better option. Consider your application scenario, performance expectations, and budget when making your decision.