I use an iPhone 5 and have used the nexus 4 too. I have also used a s3 in the past. While the pentile samoled does show its flaws in many cases at 720p, I can not find anything bad about the 640p LCD screen of i5 or the 720p LCD screen of nexus 4. Both were crisp, text was amazingly sharp, and images were detailed. So there is the question, why couldn't the OEMs stick to 720p screens while improving the CPU, ram, and battery to make the phones last even longer? While the gs4 may have a 2600mah battery, it is going to have a hard time managing the blazing fast processor AND a 1080p screen. Reviews of htc one, Xperia z, droid DNA all lament the battery life. It's the common theme of 1080p screen phones. Why this useless push to use 1080p on a phone (which is not even going to make a difference for majority) instead of keeping to 720p and reaping benefits of more efficient processors and batteries?