Tuesday, April 30, 2019

Any reason to prefer video adapter with two DVI ports versus one DVI/one VGA for DVI/VGA optional dual monitors?

I am looking to buy a new video card to power two identical monitors. The monitors came with both DVI and VGA cables, so I am able to use either.


My current video card has two DVI ports on the back, so I have both monitors connected via DVI at present. I have noticed that many modern video cards have a DVI/VGA/HDMI port trio and that cards with two DVI ports seem somewhat more scarce. Essentially, I have more options available to me for purchasing cards with a DVI/VGA/HDMI trio than with a DVI/DVI duo.


My question is, are there any sound reasons to go to the extra effort of finding a card with two DVI ports versus simply running one of my monitors through a DVI and one through a VGA on a DVI/VGA/HDMI card? Quality differences? Any variety of image asymmetry? Configuration difficulties (I dual boot Windows and Ubuntu)? Anything else?

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