xrandr -q
Screen 0: minimum 320 x 200, current 1280 x 720, maximum 8192 x 8192
VGA-0 disconnected primary (normal left inverted right x axis y axis)
HDMI-0 connected 1280x720+0+0 (normal left inverted right x axis y axis) 640mm x 360mm
   1920x1080i    60.00 +  59.94
   1600x900_60.00  59.95
   1280x720      60.00*   59.94
   1024x768      60.00
   1440x480i     59.94
   800x600       60.32
   720x480       60.00    59.94
   720x480i      60.00    59.94
   640x480       60.00    59.94