I've sat for hours with my iPad 4 next to my iPad 3 (swapping places often). In the dark, in the light, at all different angles.
The only difference I notice is the 4 has a warmer/pinker screen while the 3 has a colder/bluer screen. It's slight, but enough to notice.
The only difference I notice is the 4 has a warmer/pinker screen while the 3 has a colder/bluer screen. It's slight, but enough to notice.