Is there a difference in quality between HDMI, DVI, and VGA inputs?

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Yes, VGA (video graphics array) is an analog interface, and it produces lower quality than what you’d see with DVI or HDMI. Both DVI and HDMI deliver an uncompressed digital video signal to your monitor, so the video quality is the same. The primary difference between the two is that HDMI is capable of providing both audio and video information at the same time. If you’re connecting a laptop or PC to an HDTV via DVI, you’ll need a separate cable to hear the audio from your computer. With HDMI, you’ll only need one cable to make both audio and video connections.