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My setup:

  • Late 2013 13" MacBook Pro Retina (MBPr)
  • Dell P2715Q (4k) monitor
  • Connect the MBPr with the monitor using a mDP-DP cable

SwitchResX shows me the following resolutions:

enter image description here

  • I tried the 2560x1440 @ 30 Hz HiDpi resolution, but there is so much lag that I would really like 60 Hz.
  • I tried the 2560x1440 @ 60 Hz (no HiDpi) resolution, but this does not look very clear on this monitor.

I read here that my model MacBook should support 2560x1440 @ 60 Hz, but I suppose this is without HiDpi? Is there a way for me to get a 2560x1440 @ 60 Hz HiDpi resolution, or does my MacBook simply not support this?

  • When selecting 2560x1440 (both HiDpi and not), does the display details see a 1440p signal or a 2160p signal? – drivec Jun 1 '18 at 17:54

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