Discussion Forums > Technology
HDMI vs DVI vs VGA
vuzedome:
Ah...
Integrated, as in the graphics processor is integrated into the motherboard, thus you get a video output(VGA, HDMI) from the motherboard instead of getting a discrete graphic card.
Most of these motherboards with integrated graphics will use HDMI as the output.
I've tried both HDMI and DVI, but I don't see any difference in quality. Even if HDMI carries sound, I won't use it as I've a separate audio receiver.
kich:
My new video card has SPDIF out, which is pretty neat. It comes with a DVI to HDMI adapter, and it carries the sound through the HDMI signal. If you can go that route you might as well, since (as far as I can tell) image quality is identical and you can cut one cord out of your setup, which is always nice.
Osmo:
Hmm I understand now
bcr123:
VGA is an analog video-only signal, it has separate red, green,blue signals, end quality is highly affected by cable quality and length also it can be affected by interference.
DVI and HDMI are both digital signals that are the same quality for video in fact you can get DVI<->HDMI cables.
HDMI carries audio on the same cable. Image quality is not affected by cable length or quality, it's an all or nothing proposition as long as it is adequate the image is the same.
In terms of video quality
composite < svideo <<< VGA < ( DVI / HDMI )
VGA can be indistinguishable from DVI/HDMI if it's setup cleanly.
Proin Drakenzol:
--- Quote from: bcr123 on February 11, 2010, 07:12:04 PM ---VGA is an analog video-only signal, it has separate red, green,blue signals, end quality is highly affected by cable quality and length also it can be affected by interference.
DVI and HDMI are both digital signals that are the same quality for video in fact you can get DVI<->HDMI cables.
HDMI carries audio on the same cable. Image quality is not affected by cable length or quality, it's an all or nothing proposition as long as it is adequate the image is the same.
In terms of video quality
composite < svideo <<< VGA < ( DVI / HDMI )
VGA can be indistinguishable from DVI/HDMI if it's setup cleanly.
--- End quote ---
The biggest difference between composite/SVideo and VGA/DVI/HDMI maximum resolution.
Composite is (iirc) only up to 640x480. SVideo is 1024x768. VGA (really Super VGA) is up to 2560x1600 (WQXGA). DVI/HDMI supports up to 3840 × 2400 (Dual Link only).
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