The largest iPhone is the iPhone 12 Pro Max, which has a 6.7-inch display. iPhone 11 Pro Max and the XS Max have a 6.5-inch display. iPhone models with a 6.1-inch display include the 12 Pro, 12, 11, and XR. iPhone models with a 5.8-inch display include the 11 Pro, SX, and X. iPhone models with a 5.5-inch display include the 8 Plus, 7 Plus, and 6S Plus. The only iPhone with a 5.4-inch display is the iPhone 12 Mini. iPhone models with a 4.7-inch display include the SE, 8, 7, and 6S.