The first difference of course is in terms of screen size. The tablet has a 35 percent larger screen than the Google Nexus 7, Kindle Fire or other 7-inch tablets. However, in terms of pixel density, this tablet does not have a better quality than the 7-inch tablet.
iPad Mini comes with a resolution of 1024 x 768 pixels. This resolution is similar to the first generation iPad display and iPad 2. With this design, an application designed for the iPad will be able to run with optimal on this tablet.
On the other hand, Google Nexus 7 comes with a higher resolution, ie 1280 x 800 pixels. Even though the Kindle Fire has a resolution sepada HD with Google's Nexus 7. Even HD Nook tablet to be launched Barnes & Noble has a resolution of 1440 x 900 pixels.
( Via Liliputing)