Summary and conclusion
The temperatures speak for themselves, as does the long-term experience of workstation graphics card manufacturers and various AMD board partners. The fact that companies such as Powercolor and XFX have now also jumped on this bandwagon shows once again that a rethink has begun, at least in part. Whether you use the Honeywell PTM7950 or one of the similar products is of secondary importance, because the only thing that matters is durability. The fact that the whole thing then performs at least as well over a long period as the best pastes on their first day before the onset of degradation is a real game changer in my view.
Of course, wherever there is a lot of light, there is also some shadow. On the one hand, handling and applying the pads is not without its difficulties and requires some practice, and on the other hand, availability and price are not yet ideal. What’s more, the material is somewhat brittle, which could possibly crack with very large GPUs under high thermal loads and temperature changes. This has already been noticed on the H100 chips. However, this is rather rare in the consumer sector.
Where I see problems are with water coolers and water blocks, where there might not be a complete phase change, at least on the cooler side. But you need at least 55 to 60 degrees throughout the pad for a complete change of state. “Half-defrosted” pads are counterproductive and are even more prone to cracking. At least that’s what one of the OEMs has now confirmed to me. Everyone has to work out for themselves how to solve this properly. I wouldn’t use a pad on a water block, at least not a PCM,
That concludes this test once again and we will soon be moving on. However, I would like to take this opportunity to remind you once again of my request for more pastes, because the selection and stock can never be large enough!
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