MacPro mid 2012 vs 4K

Discussion in 'Mac Pro' started by Caesar_091, Oct 31, 2016.

  1. Caesar_091 macrumors regular

    Caesar_091

    Joined:
    Jan 18, 2005
    Location:
    Italy
    #1
    Hello,

    I'm wondering about a 4K display (and why not two of them!) on my mid 2012 Mac Pro.
    1) I know that an nVidia GTX 750 or 960 or 970 or 980 will handle one of those on my config... and what about two 4k displys?
    2) Will I be able to set display's brightness and contrast from Mac OS as one can do with any other Apple-made display? I can't do that on my DELL U2312HM...
    3) If I buy a conventional PC card will it work out of the box except for booting logos and EFI stuff? Using a secondary low-demanding Apple video card will solve this issue right?
    4) Will I need an external power supply? (I have read the thread... but I is there is no absolute conclusion?)
    5) Is there something I missing or I will to face to take into account with a PC card or 4K displays?


    TIA ;)
     
  2. CapnDavey macrumors 6502

    CapnDavey

    Joined:
    Apr 11, 2015
    #2
    GTX680 and ATI 7950's are a good option both are easy to flash for boot screen's and both work out of the box!
     
  3. Synchro3 macrumors 65816

    Synchro3

    Joined:
    Jan 12, 2014
    #3
    GTX 680 has only one DisplayPort, so not possible to use two 4K display's.
     
  4. h9826790 macrumors 604

    h9826790

    Joined:
    Apr 3, 2014
    Location:
    Hong Kong
    #4
    May be it's possible if the 2nd screen only display at 4k 30Hz.
     
  5. nigelbb macrumors 6502a

    Joined:
    Dec 22, 2012
    #5
    The HDMI port delivers 4K@30Hz. I am not sure why you would need 2x4K displays. I have a single 40" 4K display which is quite enough screen real estate & pixels for me:)
     
  6. Caesar_091 thread starter macrumors regular

    Caesar_091

    Joined:
    Jan 18, 2005
    Location:
    Italy
    #6
    Will a 2012 Mac Pro take full benefit from a 980Ti-6GB?
    Should I go for a 960-4GB or a 980-4GB instead?

    What do you suggest?
    --- Post Merged, Nov 4, 2016 ---
    The 960 (GM206) is the only full hardware HEVC/H265 decoding enabled for hardware decoding 4K movies and natively supporting HDCP 2.2 content over HDMI 2.0... while 970, 980 should support HEVC video encoding only.

    Sources:
    - https://forums.geforce.com/default/...-really-support-true-4k-hevc-h-265-decoding-/
    - https://forums.adobe.com/thread/2018024
    - http://forums.evga.com/H265-HEVC-Vi...nly-the-GeForce-GTX-960-decodes-m2283590.aspx
     

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