iPhone 15 Pro 128GB variant can record 4K ProRes directly to

ProRes video recording is supported in up to 4K quality at 60fps for both internal and external storage. 

4K ProRes video recording is not available on 128GB iPhone 13 Pro models

Apple unveils iPhone 15 Pro and iPhone 15 Pro Max - Apple

Apple Says 128GB iPhone 15 Pro Limited to 1080p ProRes Video Recording Unless External Storage Connected - MacRumors

iPhone 15 Pro review: pocket paragon

Buy iPhone 15 Pro 128GB Natural Titanium Verizon - Apple

Apple iPhone 15 Pro: New Leaks Suggest Surprise Big Upgrade Coming

Apple unveils iPhone 15 Pro and iPhone 15 Pro Max - Apple

iPhone 15: Release date, price, colors, and more

iPhone 15: Release date, price, colors, and more