Different screens: Mate 9 is a 5.9-inch FHD screen and adopts negative liquid crystal technology;Mate 9 Pro is a 5.5 inch hyperbolic flexible screen with AMOLED technology.Different fingerprint positions: Mate 9 is a post fingerprint sensor, and Mate 9 Pro is a pre fingerprint sensor (supporting entity keys).SD card support is different: Mate 9 uses three in two card slots to support SD cards;Mate 9 Pro does not support SD cards.You can simply understand