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AMD Announcements From CES 2020: Ryzen 4000 Mobile Series, Radeon RX 5600 XT

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  • #51
    Originally posted by tildearrow View Post
    I tried doing so. No changes at all (still around 5-6W).
    However, it did go down a bit in the console (to 3-4W).
    I suppose you have terminated all GPU tasks interfering with GPU power consumption measurument, but some notes just in case:
    • Disable the window compositor in GNOME/KDE/XFCE/etc. The XFCE compositor for example increases idle power consumption by a factor of 2.5 on RX 570.
    • Insert a sleep before reading pm_info:
      Code:
      $ sleep 1; cat /sys/kernel/debug/dri/0/amdgpu_pm_info > pm_info; cat pm_info

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    • #52
      Originally posted by atomsymbol View Post
      Disable the window compositor in GNOME/KDE/XFCE/etc. The XFCE compositor for example increases idle power consumption by a factor of 2.5 on RX 570.
      No thanks, because... Then how does Windows achieve 2-3W with compositing (DWM) on?

      (Also, disabling KWin and using Openbox instead does not show any improvement, but rather a regression!)

      (post scriptum: It's now at 7W in the console :< (and yes, with ppfeaturemask))
      Last edited by tildearrow; 01-11-2020, 05:14 AM.

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