1, from the point of view of signal transmission, AV cable due to only R, G, B and other three-color signal line, the transmission of analog signals, only the transmission of video signals or audio signals, can not be achieved at the same time the transmission of two kinds of signals, hdmi transmission of digital signals, and support for video signals and audio signals at the same time the transmission of the power cord, the Internet, and other additional features.

2, from the support of the resolution point of view, AV cable can only support the 480P screen resolution output, was jokingly referred to as AV quality, and hdmi as a representative of the high-definition cable, in the 2.0 standard at the time has been able to support the resolution of 4K, in the new 2.1 under the new standard, it is able to reach 8K or even 10K high resolution!

3, from the point of view of the popularity of the use of AV cable for the old DVD and TV sets, stereos, in the hdmi high-definition line to attract eye-catching video, audio transmission at the same time under the new features, the AV line interface is gradually replaced, outside the home machine, cars, medical equipment, recreational equipment, and so on every aspect of the figure of the hdmi see.

4, and then from the level of anti-wireless signal interference, hdmi cable are doing enough shielding layer, can effectively resist the interference of external wireless signals, cell phone calls, audio and other equipment with current sound can easily see the difference.