The computer HDMI interface is a fully digital video and sound transmission interface that can send uncompressed audio and video signals at the same time. It only requires one HDMI cable to use, which greatly reduces the difficulty of installation and use. The HDMI interface is currently the mainstream interface. It is generally installed in set-top boxes, DVD players, personal computers, TVs, game consoles, integrated amplifiers, digital audio and TVs, etc.
Introduction to Computer VGA Interface
The monitor VGA (Video Graphics Adapter) interface is an interface that uses analog signal transmission, and is also the common name of the D-Sub interface; the VGA interface has a total of 15 pins, divided into 3 rows, with 5 holes in each row. It was the most widely used interface type on graphics cards in the past, but has now been eliminated by the mainstrea
The difference between the HDMI and VGA interfaces of the monitor
01.
The HDMI interface is a digital interface; the VGA interface is an analog interface
02.
The HDMI interface supports synchronous transmission of digital audio and video. If the monitor is a TV, only one HDMI cable is needed to connect; the VGA interface does not support synchronous transmission of audio and video. When using, the video needs to be connected with 1 VGA cable and the audio needs another cable to connect
03.
The HDMI interface is anti-interference during signal transmission; the VGA interface is easily interfered by other signals during signal transmission
04.
The HDMI interface supports 4K high-definition resolution; the VGA interface will be distorted at high resolution, and the font and picture will be a little blurry.
Which is better, HDMI or VGA interface of monitor?
HDMI interface and VGA interface are both formats for video signal transmission. HDMI interface supports synchronous transmission of audio and video, while VGA interface is easily interfered by other signals, does not support synchronous transmission of audio and video, and is prone to distortion at high resolution. Therefore, relatively speaking, when wiring, we generally give priority to HDMI interface, and then choose VGA interface. If it is at 1920*1080p resolution, the image difference is generally not very large, so you can choose the interface according to the actual situation; in general, HDMI interface is better than VGA interface
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