The latest iPhones are not actually 3x faster, or even 2x faster, for many common tasks such as opening a pdf compared to a 5 year old iPhone on iOS 12. Even f

The latest iPhones are not actually 3x faster, or even 2x faster, for many common tasks such as opening a pdf compared to a 5 year old iPhone on iOS 12. Even for unusually intense workloads, like exporting dozens of pdfs at the same time, it doesn't get anywhere close to 3x. So most of the gains are purely on paper.