Speed for iPhone 15 Pro is USB 3 20x faster than the regular iPhone 15.
This implies 10Gbps (USB 3.1 gen 2x1 or 3.2 gen 1x2) on the pro and 480Mbps (USB 2.0) on the standard phone.
This implies 10Gbps (USB 3.1 gen 2x1 or 3.2 gen 1x2) on the pro and 480Mbps (USB 2.0) on the standard phone.
480Mbps is so bad you're better off using Wifi in every situation I can think of.