The original iPhone was released ten years ago, and a lot has changed since then. The most obvious change is size. The original iPhone was 2.4″ x 4.5”, while the iPhone X: 2.79″ x 5.65″.
The screen has also come a long way in 10 years. The original iPhone has a 3.5″ LCD screen with a resolution of 320×480, while the iPhone X has 5.8″OLED screen with a resolution of 2436×1125.
In terms of weight, the original iPhone weighs 4.8 ounces, while the iPhone X weighs 6.1 ounces.