Since the mere thermal conductivity value cannot provide any information about the actual performance, we put our MX-5 up against a broad field of competitors under laboratory conditions. The temperature difference between CPU and cooler base was measured.
How is it tested?
The temperature difference between the CPU IHS and the cooler base is determined with a laboratory device. This allows precise adjustment of the power and contact pressure to be transmitted and highly accurate temperature measurement. The contact surfaces are milled flat with very fine grooves, which corresponds to high-quality CPU coolers.
transmitted power: 150 Watt( ≈ AMD Ryzen 7 3700X All-Core-Boost)
Contact area: 16,0625 cm2 [corresponding to an AM4 CPU]
Contact force: 562.5 N (≙57.359 kgf oder lb)
Why are CPUs only conditionally suitable for measuring the performance of thermal paste?
Why are the stated thermal conductivity values of a paste not meaningful?
LOWEST THERMAL RESISTANCE
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