now both graphics card and displays comes with different ports some of them have vga most of them have a dvi and sometimes a hdmi port.i wanted to know when playing games or movie does hdmi performs better than dvi or hdmi.is it recommened to buy a hdmi supported display.
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More abouthdmi ports
AFAIK there should be no image quality difference between DVI and HDMI. the only difference i'm really aware of is that HDMI can carry audio data trough the cable. in short both should perform just the same in terms of image quality
VGA is analog and is sometimes blurry at high resolution. DVI and HDMI are both digital and the only difference is hdmi has audio+video, dvi is just video.