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Which to use? Onboard DisplayPort or DVI-D on graphics card?

Discussion in 'Hardware' started by Gene_Jockey, Jul 3, 2014.

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  1. Gene_Jockey

    Gene_Jockey Thread Starter

    Oct 15, 2013
    Probably a dumb question (sorry) but trying to do some homework before my new system and monitor arrive.

    Monitor (Dell U2713HM) will have multiple input possibilities, including DVI-D, Displayport and HDMI.

    Graphics card (GeForce GTX 745) will have DVI-D and HDMI outputs.

    Computer will also have onboard Displayport 1.2 output.

    I assume I am going to connect the monitor and graphics card directly via DVI-D, but my questions are these:

    Is there going to be any difference between using the onboard DisplayPort vs the graphics card DVI-D connection? If I use the onboard Displayport as the connection to the monitor, is this bypassing my graphics card altogether or is the graphics card working in conjunction with the DisplayPort in some way?

  2. Tanis


    May 29, 2006
    First Name:
    Personally, if you have a dedicated card then use the ports on that card. I would assume (only an assumption without knowing more detailed system specs) that the onboard display port is associated with an integrated APU / GPU setup.

    As far as DVI-D and HDMI go, they are essentially the same as far as graphics are concerned, the main difference is that HDMI also carries audio (DVI-D is only video). If you have speakers connected to normal audio ports then it makes no difference. If you are using a screen / TV with its own speakers then HDMI is probably a better option as it means less cables.
  3. Triple6

    Triple6 Moderator

    Dec 26, 2002
    First Name:
    The integrated graphics may be disabled since you have an add-in graphics card. The add-in graphics card is also going to be more powerful than the integrated graphics and if you were to enable the integrated graphics, if possible, you would only be using the integrated graphics and not using the features or performance of the dedicated graphics card.
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