The screen has also come a long way in 10 years. The original iPhone has a 3.5" LCD screen with a resolution of 320x480, while the iPhone X has 5.8"OLED screen with a resolution of 2436x1125.
This more affordable version of the iPhone X has a tall LCD display, single rear camera with portrait mode, an aluminum body, 3D face-scanning security, and Apple's latest A12 processor.