Size difference iphone 13 pro vs 15 pro July 8, 2019 16 32 64 128 Iphone 13 pro vs 15 pro size difference Iphone 13 pro max vs 15 pro max size difference Size of iphone 13 pro vs 14 pro Iphone 13 vs iphone 13 pro size 13 pro vs 13 pro max size comparison Difference between iphone 13 and 13 pro