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Video Display Interfaces

Contents

  • Video Display Interfaces
    • Comparison
    • Fine-Prints
    • See also
This is an article I had for quite a while as a draft. As part of my yearly cleanup, I've published it without finishing it. It might not be finished or have other problems.

I frequently forget the video display interface names and I wonder why we have that many. So here are the differences.

Comparison

VGA DVI HDMI DisplayPort USB-C
Introduced in 1987 1999 2002 2006 2014
Digital No Yes Yes Yes Yes
Audio No No Yes Yes Yes
Image VGA connector DVI jack HDMI connector Image Image
Designer IBM based on D-subminiature Digital Display Working Group HDMI Founders / Forum VESA USB Implementers Forum
Color Blue White - - -
Max. cable length* 40m 15m 5-15m 15m 2m
Maximum resolution 1280 × 720 2560 × 1600 4096 × 2160 (4K) 7680 × 4320 (8K) 5120 × 2880 (4K)
3D No No Yes Yes ?
Size of Connector Big Big Small Small Small
Good Connection Yes (screws) Yes (screws) No Yes (like network cables) Yes (?)
Licensing cost ? ? $10,000 per high-volume manufacturer plus $0.04 per device Royalty-free ?
Multiple Monitors (Daisy Chain) No No No Yes Yes
Connector Types 1 2 3 2 1

Fine-Prints

  • DVI is in fact not one interface, but at least two. DVI-I (4 pins in a square on the left) and DVI-D (only one long "pin" on the left). DVI-I (integrated) sends an additional analog signal which is missing in DVI-D (digital). This means DVI-I can use simple adapters for VGA.
  • HDMI and Display port comes in different versions. Older versions only support lower resolutions.
  • HDMI has multiple connectors: Type A (standard), Type C (mini), and Type D (micro)
  • Display port has two connectors: DisplayPort and Mini DisplayPort
  • Philips Brilliance 258B6QUEB supports USB-C
  • HDMI seems to be good for home entertainment whereas Display Port is good for PC. I'm not sure about USB-C ... seems to be too recent.

See also

  • Information about maximum cable length

Published

Dez 30, 2018
by Martin Thoma

Category

Cyberculture

Tags

  • Hardware 7

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