2015 rMBP w/ dGPU - External displays?

Discussion in 'MacBook Pro' started by stu.h, May 24, 2015.

  1. stu.h macrumors 65816

    stu.h

    Joined:
    May 8, 2010
    Location:
    West Midlands, England.
    #1
    Just bought this machine yesterday, would like a 27-28" 4k monitor to use with it. Am I right in thinking that this MacBook only supports HDMI 1.4, so a max of 30fps, so best off using TB2 (mdp) instead to get 60fps?
    I quite like he look of the Dells, which one would be best?
    Thanks :D
     
  2. mcarling macrumors 65816

    Joined:
    Oct 22, 2009
    #2
    Yes, definitely best to use Thunderbolt / Displayport, not HDMI. I suggest the P2715Q if you want a 27" Dell monitor. I have a pair of P2415Q 24" monitors which I just bought to use with mine. So far, so good.
     
  3. stu.h thread starter macrumors 65816

    stu.h

    Joined:
    May 8, 2010
    Location:
    West Midlands, England.
    #3
    Will it run @ 60hz / 4k no problem?
    Also there are some P2815Qs on eBay for £250 (manufacturer refurb w/ 3yrs warranty), would that be the same panel (albeit 1" bigger)?

    Cheers :D
     
  4. stu.h thread starter macrumors 65816

    stu.h

    Joined:
    May 8, 2010
    Location:
    West Midlands, England.
    #4
    Actually, the P2815Q seems to be an older model with only 4k@30hz.
     
  5. dtpearson macrumors member

    Joined:
    Jul 26, 2010
    #5
    Will the new 15" (maxed out) run a pair of the P2715Q monitors at 4K 60hz?

    I am looking at a 3 screen setup with the laptop as the third screen, but am happy to have the laptop closed if the two P2715Q run at 60hz and have a two screen setup.
     
  6. stu.h thread starter macrumors 65816

    stu.h

    Joined:
    May 8, 2010
    Location:
    West Midlands, England.
    #6

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