DisplayMate has an iPhone 5 vs. Galaxy S III (vs. iPhone 4 too) display technology shoot-out, one that shows that under most tests, the iPhone 5 outclasses its Android competitor.
Based on our extensive Lab measurements the iPhone 5 has a true state-of-the-art accurate display – it’s not perfect and there is plenty of room for improvements (and competitors) but it is the best Smartphone display we have seen to date based on extensive Lab measurements and viewing tests.
See the in-depth review here.