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What's the difference between Furmark's Windows and Linux variants? (programming.dev)
submitted 3 months ago by to c/pcmasterrace@lemmy.world
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I just got an RX 6600 from second hand market and wanted to test it just to be sure. There was a Furmark screenshot on the seller's pictures which is tested on Windows.

However when I did the Furmark test's Linux version, while it was mostly similar, my memory clock shown as 875 MHz. It was 1750 MHz on seller's test. I don't know technical part behind this but this is a x2 difference I noticed. Also it was 14 Gbps on Windows while mine was 3.5 Gbps, the difference is x4 here.

There is probably a measurement difference between Windows and Linux drivers here, but like I said I don't know the technical details behind these tests.

So, is this the same / different measurement or should I be worried about this card?

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[–] [S] 1 point 3 months ago (1 child)

Isn't AMD's proprietary drivers horrible on Linux too? Anyway, I can set the clocks to highest on LACT, but for some reason Furmark still shows 875 MHz (3.5 Gbps).

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  • [–] 2 points 3 months ago

    IIRC proprietary driver doesn't contain kernel component, it runs using Linux's standard amdgpu driver (and it's the kernel driver that handles power management and stuff). And I don't think it's terrible, there is just not much point to it since Mesa is good enough (and Valve also promotes using Mesa).

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