![2 Blu ray vs. DVD Comparison [720p HD video]](http://i.ytimg.com/vi/lhEjtjSPlt4/2.jpg "Blu ray vs. DVD Comparison [720p HD video]")
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How big is the difference in picture quality when upgrading from standard definition to High Definition? Here’s the answer.
Credit to Xylon on avsforum.com for the screens.
Duration : 0:3:52