1, the appearance color is different, generally VGA is blue, DVI is white.
2, the outline is different, DVI has more pins than VGA. The most intuitive thing is that DVI has a small piece of iron besides stitches.
3. For different purposes, VGA is an analog signal, which is supported by almost all older display devices, and DVI is a digital signal, which is now supported by good LCD monitors or projectors and has become popular.
4, the function strength is different, DVI interface is better, because the display signal of the computer is also digital, so if the LCD also supports DVI, it will achieve the effect of lossless display. Of course, this is only an ideal situation, there will be more or less loss, but the loss is much less than VGA.
5. Different colors will make VGA brighter, while DVI will have higher brightness and contrast. Generally speaking, each has his own strengths.
Baidu encyclopedia -VGA interface
Baidu encyclopedia -DVI interface