VGA vs DVI vs HDMI vs DisplayPort

VGA – supports a max resolution of 2048x1536px @ 85Hz BUT signal degrades from :

– wire gauge
– conversion to digital
– cable length

Next all are digital and except for resolution limitation or lack of other functions there is no difference in image quality.

DVI  – supports a max resolution of 1920×1200 @ 60Hz
Dual Link cables and connectors support up to 2560×1600 @60Hz


DVI-D – is digital only
DVI-I – has 4 extra pins that transmit analog signal and support an DVI-to-VGA adapter.

HDMI 1.4 – supports a max resolution of 4k @ 30Hz
 HDMI 2.0 – 4k @  60Hz
it also supports on same cable :
– audio
– network

DisplayPort 1.2 – 4k @ 60Hz
DisplayPort 1.3 – 8k @ 60Hz
Has same features as HDMI plus multiples streams on same cable supporting with the use of a DisplayPort MST Hub up to 3 monitors on the same connector.

Dual-mode DisplayPort – supports passive adapters to HDMI or DVI

4K resolution or ultra HD – UHD

HD ready -720p – 1280×720 – first to have wide 16/9 ratio similar to full hd so you can play downscale full hd content

Full HD 1080p – 1920×1080

other wide formats between hd and 4k :
1440p – 2560×1440
1800p – 3200×1800

UHD 2160p – 3840×2160 – Ultra HD is 4 time the area of a Full HD resolution, since 4K

True 4K used in the cinema standard is 4096×2160 with a 19/10 wide ratio and not compatible with all existing HD

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