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Display Port advantgaes?

builder22

builder22

builder22

Soldato
Joined
14 Dec 2005
Posts
5,048
just realised my monitor has a display port input

the card is a GTX470, has mini HDMI which is the one used to connect to a display port monitor right?

is there any performance improvements using it over DVI cable

had this monitor/card for 4 years, cant believe I've never thought of this before!
 
DVI, HDMI and Displayport all carry a digital signal, so picture quality will be the same for each type of cable.

HDMI can carry audio and video, but tops out at around 1920x1200 @ 60Hz. Later specifications of HDMI can run higher (the latest can do 4K @ 60Hz) but most of the HDMI ports in the wild are the earlier specifications, hence the lower resolutions possible.

DVI tops out at 1920x1200 @ 60Hz for single link, but can run much higher with a dual link connection. DVI cannot carry audio (some GPUs use the spare pins to carry audio for DVI/HDMI adapters, I think, but most screens don't support audio in from DVI).

Displayport can carry high resolution video, and can carry audio. Displayport also does not require a clock signal, where DVI/HDMI/VGA do - this is why AMD cards from 5xxx/6xxx/7xxx had to have the third screen on a DP output, the cards only had 2 clock generators built in.

The advantages/disadvantages of each type of connection only really come into play when you're running a screen higher than 1920x1200. For anything under that resolution, the only difference between DP/HDMI/DVI is that HDMI carries audio. Otherwise, use whatever cable you want and be happy. :)
 
The other major difference being HDMI quite often gets treated as a TV type signal and so needs setting up properly otherwise it restricts the colour range used, DVI normally uses the full range with no user effort and DP should be but on some nVidia cards suffers the same issue as HDMI.

HDMI is the easiest to plug in/out as it has no securing clip or screw, DP has a small clip bit, DVI generally has a screw mounting so is most secure but most annoying if you're going to unplug regularly.

Unless you're carrying sound or need the quick unplugging then I'd try to avoid HDMI given the choice.
 
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