New Graphics Card Compatible with Viewsonic VP2770 Monitor


  1. Posts : 7,130
    Windows 10 Pro 64 bit
       #1

    New Graphics Card Compatible with Viewsonic VP2770 Monitor


    I have a Viewsonic monitor model VP2770 operating at its maximum resolution of 2560x1440 pixels via a DVD-DL cable. The monitor has the following digital inputs:

    DVI-D Dual Link
    Display Port 1.2
    HDMI 1.4 (max 1920x1080)

    New high resolution graphics cards generally have some of the following inputs:

    DisplayPort 1.4
    HDMI 2.0
    USB-C
    DVI-DL (not common)

    Of the above, I can't use HDMI or USB-C on my monitor. I should be OK using a DVI-DL input but this interface is not present on many new cards. I could use the DisplayPort 1.4 output but my monitor has a DisplayPort 1.2 connection. Will a new graphics card using DisplayPort 1.4 have any problems displaying at 2560x1440 pixels using the DisplayPort 1.2 connection on my monitor?

    I'm mystified why the VP2770 specification only supports a PC at 1920x1080 pixels but supports a Mac at 2560x1440 pixels.
    Last edited by Steve C; 28 Nov 2019 at 09:37.
      My Computers


  2. Posts : 8,699
    Mac OS Catalina
       #2

    Display Port is backwards compatible.
      My Computer


  3. Posts : 4,457
    Win 11 Pro 22000.708
       #3

    Display Port 1.2 supports 2160p (3840 X 2160, non-interlaced) at 60 fps. It'll do 2560 X 1440 at 60 fps with ease.

    In the TV world, HDMI 1.4 supports 2160p, but only at 30 fps. Apparently 2560 X 1440 at 60 fps is not supported, even though the data rate would be less than that for 2160p at 30 fps.

    DVI Dual Link supports up to 2560 X 1600 at 60 fps. It'll do the native resolution of your monitor.

    The available resolutions for PC and Mac are the same. I have no idea where you got the idea that things are different for the two platforms.

    http://www.viewsonicglobal.com/publi...d/22/26752.pdf

    Short version: If you use Display Port or DVI Dual Link, you'll be OK.
      My Computers


  4. Posts : 2,319
    Windows 10
       #4

    You can forget about DVI-D Dual Link it is now legacy, which is why it is not on new kit.

    Use DisplayPort with the monitor you list. As the Monitor has a limited HDMI input looking at the specs.
    It is quoted in the monitor specs, or not, depending on where you read it.
    You would have to look up HDMI version specs to see why it could be different for PC/Mac

    A monitors HDMI input may not always meet the standard for 1.4 despite it quoting that, it is quite an old model circa 2012.
      My Computer


 

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