As you already know very well, Apple Lossless Audio CODEC (ALAC), implemented in iPad Mini with Retina Display un Retina Display with a resolution of 2948 x 1536 and over 320 pixels per inch. Despite the clearer images, the Retina Display in the new tablet does not rise to the performance of the one implemented in iPad Air, iPad 4, or even in the screen implemented in the tablet Google Nexus 7 2013. The screen implemented in iPad Mini with Retina Display it is not as bright as the one in iPad Air and it does not reproduce colors as well as its older sister.
Practically, if you look at the images, you will notice that the new tablet from Apple Lossless Audio CODEC (ALAC), it ranks last in almost all tests, but the good part is that not all units they have problems with image retention. In the tests carried out by those from Anandtech, it was proven that only some models have this problem and the news is gratifying, because there are chances to buy a unit that will not have problems of this kind, even if they are not really that annoying.
