I have the 2015 model, and basically the same.
(1) No touchbar.
(2) intel GPU on the 15inch models. I don't like switching gpu.
(2) True 4k display with wide color like the 4k imac.
(3) Fanless if possible. The fan went out on my current MBP and if thing is going to last me until 2022 hopefully the next one will have less moving parts.