First we had to generate high-quality depth data so Cinematic mode knows the precise distance to the people, places, and pets in a scene.
See and for more information.
Splash, water, and dust resistance are not permanent conditions.
It doesn't have a Card slot.
Of course, the star this year is the 120Hz ProMotion refresh rate on both the iPhone 13 Pro and iPhone 13 Pro Max.
It would have been much easier to put a 120Hz iPhone in your hand without worrying about battery life.