Today, let’s compare two well-known media container : DVD and Blu Ray.
Both screenshot were taken by VLC, resized by photoshop to 750 pixels in width. Rendering quality is capped to 100kb per image with no bias whatsoever. Aspect ratio is constrained to their respective resolution. Computers will small screen will may not be able to view this pictures with full coverage, sorry for the inconvenience.
This is Transformers : Revenge of the Fallen in Blu ray
This is the same movie in DVD. There’s a big difference isn’t it?