Petapixel:

As a full time professional photographer, I try to remind people that the best camera you have is the one you have with you. Since I have yet to permanently graft a DSLR onto my body, my best camera is often my iPhone. So, is the new iPhone 7 Plus good enough to help alleviate the anxiety I get every time I leave my camera at home? Let’s find out!

This is a comparison from a professional photographer. His conclusions are exactly what I would have expected.