What is the difference between 4x3 and 16x9 format?
With 16x9 format, you can potentially see 25% more of the picture. Not only do you see
more of the screen with a 16x9 picture, but the wider format is more pleasing to the eye as it approximates natural
field of vision.
The example below gives you a clear picture of the difference.
Note: the source of the video must be formatted for 16x9 in order to see the wider format.