High VRAM core and power draw when moving mouse and playing videos

Discussion in 'Videocards - AMD Radeon Drivers Section' started by BrainsCollector, Jan 21, 2021.

  1. BrainsCollector

    BrainsCollector New Member

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    RX6800 Sapphire ref
    Here's demonstration of problem.

    Clocks are fine while complete idle, but skyrocket during mouse movement or anything that moves on screen. Ad shouldn't go as high as 2000.






    • New driver version didn't fixed that. Also I'm still wondering about missing features like p states. There is only slider for voltage and clock, but is RDNA2 still not fully optimized and they didn't included that on purpose ?

      I have couple of amd gpus under my hand in work, I was able to check that - each of them have some kind p state editor curve or slider, (5700, 570, 580) inside adrenalin. Also, all of them have stable 300Mhz memory and core clocks, why 6000 series have scaling from 0 to max ? Those things coming up with time to me as I'm learning how those things work. Any informations or clues ?
     
  2. BrainsCollector

    BrainsCollector New Member

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    Please, dig further !

    I have launched Edge browser in windows 7 compatibility mode and disabled full screen optimizations, and that caused VRAM clocks to completely go sleep > 900mhz at max during video playback (mostly 192MHZ) ! Maybe there is permanent solution for this if we will investigate that? OFC in that mode, browser is very laggy and it's missing windows 10 features, but still, it's a huge leap
     
  3. BrainsCollector

    BrainsCollector New Member

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    I HAVE DISCOVERED SOLUTION !

    [ FIX ] High VRAM clock - high power draw - high t... - AMD Community

    [ FIX ] High VRAM clock - high power draw - high temperature - While video playback (like youtube)
    I have discovered fix for high vram clock when playing videos on youtube !

    I'm using Edge but probably works for any other browser. In experimental features, that you can access by writing edge://flags/ in adress bar, find "Choose ANGLE graphics backend" - and select D3D9. It will force drivers to use DX9 to play videos, looks like adrenalin have some problems with playing media in DX11 and other modes, so using legacy way, makes gpu use lower power state and so on - lower power draw - less heat.

    So many hours spent on finding that out ! Today I have found that using WIndows 7/8 compatibility mode forced browser to use legacy drivers, and I deducted, that it might be it ... AND IT WORKS !



    [​IMG]



    I'm so happy !

    Also !

    bonus- I have found out reason why vram clocks were skyrocketing while moving mouse... I have oculus set, and it's always have some services runing in background. I have closed all of them and that miraculously stopped gpu to go full speed while .. moving a mouse

    Now I can die in peace and running my gpu in 0 fan mode....
     

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