Speed, RAM Optimizations
Apple’s objective with iOS 12 wasn’t just to make the operating system run faster — but to bring these impressive speed enhancements to the widest range of devices possible, including older models like the iPad mini 2 and iPhone 5s which notably boast just 1 gigabyte (GB) of RAM.
Hypothetically speaking, if Apple were to invest its resources ensuring that iOS 13 is faster than iOS 12 (even half-as-much as iOS 12 is faster than iOS 11) — and if the company further channeled those resources on newer iPhones and iPads equipped with higher amounts of RAM — we can presume the update will bring just-as-remarkable speed and performance boosts to devices with more RAM, like the iPhone 6s Plus (2 GB), iPhone X (3 GB), and especially the iPhone XS/XS Max (4 GB).