The addition of USB-C and the power to comfortably run AAA games makes the iPhone 15 Pro and Pro Max worth the upgrade.
iPhone 15 Pro Review - IGN
Apple iPhone 15 Pro and iPhone 15 Pro Max Review: Befit the Name
iPhone 15 Pro review: Is Apple's Android alternative worth buying?
iPhone 15 Pro Max Gaming Test Resident Evil Village, Genshin
Developers Working With Apple to Bring iPhone 15 Pro's Console
How iPhone 15 Pro Max Could Revolutionize Gaming - Performance
iPhone 14 Pro Review - IGN
iPhone 15 - IGN
iPhone 15 Pro Max - IGN