Differences Between DisplayPort Cable and HDMI Cable

DisplayPort has been developed for the development of liquid crystal displays from the very beginning, using the “Micro-Packet Architecture” transmission architecture. Video content is transmitted in packets, which is obviously different from video transmission technologies such as DVI and HDMI data lines. In other words, the appearance of the HDMI cable replaces the analog signal video. The emergence of DisplayPort cable or mini DisplayPort replaces the DVI and VGA interfaces.

mini displayport female

In terms of physical characteristics, the HDMI data cable and the DP cable operate on the same infrastructure and differential coaxial twist pairs. Both use high-speed low-voltage differential signals to transmit data, but the same point of the two is just this.

Although the two standards are very similar from the outside, they are structurally very different. These differences determine the link’s performance and its cost, compatibility, robustness, and ease of execution.

DP cable defines two connectors, Full Size and Mini. Both connectors have 20 pins, but the mini-connectors have a width of about half the full size. They are 7.5mm x 4.5mm and 16mm x 4.8mm respectively. Establishing a complete link requires 5 coaxial pairs, 3 single-ended signals, and power and ground lines.

The extensibility of DP cable itself allows low-bandwidth DisplayPort connections to be established with less wires, but few people do so. This may cause confusing compatibility issues for end users.

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