1, iphone12: The iPhone12 frame is aluminum alloy.
2, iphone12pro: iPhone12Pro frame is stainless steel.
3, iphone12: iPhone12 only has 2x optical zoom range.
4, iphone12pro: iPhone12Pro for three cameras, more than a telephoto lens, support 4x optical zoom range.
5. iphone12: The iPhone12 weighs 162 grams.
6, iphone12pro: weight is 187 grams.
That's the difference between the Apple 12 pro x and the Apple 12.