Came on here looking for just such a debate, this photographers review of the pro says
Testing the new iPhone 12 Pro in (and over) Glacier National Park.
austinmann.com
The iPhone 12 Pro is a solid camera, and thanks to a bunch of new digital tech I found it to be slightly stronger than the already great iPhone 11 Pro — but if you are serious about photography with your iPhone, wait for the iPhone 12 Pro Max. It looks to be the most significant jump in iPhone camera hardware we’ve experienced in years, and it’s only three weeks away.