DP cable and HDMI cable which is better?

Now common video HD cable HDMI cable, DP cable, DVI cable, VGA cable, the appearance of each line, performance are different, generally speaking, the four display data cable performance ranking: DP> HDMI> DVI> VGA. Then why is it so arranged? DP cable why ranked in front of HDMI cable?

  1. DP and HDMI interface

DP (DisplayPort) interface: is a high-definition digital display interface standard, you can connect the computer and monitor, but also connect the computer and home theater. Developed by the PC and chip manufacturer alliance, the DP interface is free of certification and licensing fees and is mainly used to connect video sources and monitors and other devices.

HDMI interface: High Definition Multimedia Interface (High Definition Multimedia Interface), the highest data transmission speed of 5Gbps, can be high-quality transmission of uncompressed high-definition video and multi-channel audio data, HDMI interface is beneficial because it can transmit uncompressed audio and video signals, mainly for set-top boxes, DVD players, personal computers, etc.. HDMI can transmit both audio and video signals, and can be said to be the standard for TVs.

  1. Performance

The latest version of DP is 1.4, the latest version of the HDMI interface is 2.1, based on the latest version, the bandwidth and transmission rate rates of both rates are as follows.

DP interface: the maximum total bandwidth of the main link is 32.40Gbps, and the maximum total data rate is 25.92Gbps.

HDMI interface: the maximum transmission rate of the main link is 48Gbps, and the maximum data rate is 42.6Gbps.

  1. Cost

DP interface is free to use, HDMI interface to charge a certain royalty, and pay a fee to the HDMI Association each year.

Although HDMI is charged an annual fee, but shared to the cost of a single interface, due to production, popularity and other issues, the DP interface may be higher than the cost of using the HDMI interface.

  1. Application

In terms of popularity, it can be said that the HDMI interface has an absolute advantage in daily life, the HDMI interface is clearly more than the DP interface. Almost all the TVs, projectors and other display devices, set-top boxes for home use are also commonly used to come to the HDMI interface. In addition, the current well-known game console platforms are using the HDMI interface as a line transmission path. DP interface is only popular in the PC field and high-end monitors.

In summary, in terms of performance, HDMI 2.1 performance and DP 1.4 has been very close, HDMI 2.1 in terms of bandwidth and data rate, resolution, refresh rate has surpassed the DP 1.4, support for more video specifications than DP. and HDMI and older video and audio interfaces can be well converted to each other, while the DP line does not do this well.

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