[Bug 111482] Sapphire Pulse RX 5700 XT power consumption

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Thu Sep 5 18:16:59 UTC 2019


--- Comment #15 from Robert <freedesktop at postfach.xyz> ---
Thanks Ilia for your comment! I get this output from "xrandr":

Screen 0: minimum 320 x 200, current 5120 x 1440, maximum 16384 x 16384
DisplayPort-0 disconnected (normal left inverted right x axis y axis)
DisplayPort-1 disconnected (normal left inverted right x axis y axis)
DisplayPort-2 connected primary 5120x1440+0+0 (normal left inverted right x
axis y axis) 1200mm x 340mm
   5120x1440     60.00 +  30.00*+
   3840x1080     60.00 +
   3840x2160     60.00    30.00  
   1920x1200     60.00  
   1920x1080     60.00    59.94  
   1600x1200     60.00  
   1680x1050     60.00  
   1600x900      60.00  
   1280x1024     60.02  
   1440x900      60.00  
   1280x800      59.81  
   1152x864      59.97  
   1280x720      60.00    59.94  
   1024x768      60.00  
   800x600       60.32  
   720x480       60.00    59.94  
   640x480       60.00    59.94  
HDMI-A-0 disconnected (normal left inverted right x axis y axis)

So from what I can see only one monitor reported.

But I figured out something else: If I change the refresh rate from 60Hz to
30Hz I get 8W idle power consumption... Umpf... Now I've a big screen, kinda
high end graphics card and 30Hz refresh rate :D It basically works but moving
windows a little bit faster or moving the mouse pointer around looks
"interesting". Haven't tested any games with that refresh rate but I guess it
also looks "interesting" ;-)

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