HDMI和VGA的区别

1. HDMI :
HDMI 代表高清晰度多媒体接口。通过这种方式，音频和视频通过电缆同时传输。它将音频和视频结合到 DTV 播放器、DVD 播放器、HDTV、机顶盒和其他视听设备中的单个数字接口中。它是高带宽数字内容核心保护和数字可视化接口的核心技术。它是高带宽数字内容核心保护和数字可视化接口的核心技术。

2. 显卡：
VGA 代表视频图形阵列。它是由 IBM 于 1987 年开发的。它被 IBM 引入到 ps/2 线计算机中。当时它的分辨率为640 X 480，刷新率为60Hz。它使用模拟信号代替数字信号。它是通过电缆连接显示器和 CPU 的端口，这种电缆称为 VGA 电缆。

HDMI和VGA的区别：

S.No.	HDMI	VGA
1.	HDMI carries digital signals as it is a digital video standard.	While it carries analog signal as it is an analog video standard.
2.	It is still very new.	It is very old.
3.	It can take many other signals with video.	It can only take a video signal.
4.	It is better for video gaming purpose than VGA.	It is not as good as HDMI for video gaming purpose.
5.	It never requires a separate cable for audio signals.	It requires a separate cable for audio signals.
6.	It provides higher frame rates and higher resolutions than VGA.	It provides lower resolutions than HDMI.
7.	HDMI to VGA converter (passive cables) are cheaper.	While VGA to HDMI converters are more expensive as compared to passive cables.
8.	HDMI was developed by the seven founders were Hitachi, Panasonic, Philips, Silicon Image, Sony, Thomson, RCA and Toshiba.	While it was developed by IBM.