Comment 2 for bug 374413

xrandr says:

  1920x1080 (0x4d) 138.5MHz +HSync -VSync +preferred
        h: width 1920 start 1968 end 2000 total 2080 skew 0 clock 66.6KHz
        v: height 1080 start 1083 end 1088 total 1111 clock 59.9Hz
  1680x1050 (0x4e) 146.2MHz -HSync +VSync *current
        h: width 1680 start 1784 end 1960 total 2240 skew 0 clock 65.3KHz
        v: height 1050 start 1053 end 1059 total 1089 clock 60.0Hz

And the amazon store webpage for this monitor says native resolution for this monitor 1920 x 1080.