What is HDMI interface, HDMI interface and VGA interface what is the difference?

HDMI English full name: High Definition Multimedia Interface, it is a fully digital video and sound transmission interface, can send uncompressed audio and video signals.

HDMI interface and VGA interface differences are as follows:

1, the two anti-interference is not the same:

HDMI than VGA has better anti-interference characteristics, in large size, high resolution, long-distance connection under the effect of better than VGA;

2, the two signals are not the same bandwidth:

HDMI's bandwidth is the digital signal bandwidth;

and VGA is analog signal bandwidth.

3, the two interfaces are not the same:

HDMI is the interface standard for video, representing a signal transmission format. It contains video signals, audio signals and HDCP copyright protection protocol, etc.;

And VGA is also a video interface standard, is the IT industry's longest-used video transmission, but it does not support the output of audio signals.

Baidu Encyclopedia-HDMI

Baidu Encyclopedia-VGA