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HP Compaq dc7900 Desktop PC Series and HP 22-/24-inch LCD Monitors - Benefits of DisplayPort

Information

The DisplayPort is a new digital display interface connector that provides better interoperability and higher resolutions for new and future output devices. DisplayPort will eventually replace both the DVI and VGA interface connectors.

Details

DisplayPort has the following benefits:

  • It has a smaller connector than DVI.

  • It uses a packetized protocol that supports higher resolutions.

  • It supports an audio signal.

  • It supports copy protection for high-definition playback.

The following table compares DisplayPort with DVI and VGA:

Specification
DisplayPort
DVI
VGA
Bandwidth
Up to 10.8Gb/s
4.8Gb/s with single-link and 9.6Gb/s with dual-link
Indefinite - Approximately 150+MHz pixel rates
Audio
Optional
Not supported
Not supported
Content protection
Optional HDCP
Optional HDCP
Not supported

The following picture shows DisplayPort and DisplayPort cable:

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