Following the replace, the Smart HDR function in these devices picks a sharper base body to work with, preserving extra detail when pictures are merged together to improve highlights and shadows. Thanks to the A12 chip, battery life in the iPhone XS and XS Max has been improved compared to the iPhone X. The iPhone XS lasts for half-hour longer than iPhone X, whereas the iPhone XS Max lasts for an hour and a half longer. Apple’s iPhone XS and iPhone XS Max feature 5.8 and 6.5-inch display sizes, upgraded cameras, faster A12 Bionic chips, higher displays, faster Face ID, and as much as 512GB storage.