Computerworld - https://www.computerworld.com/article/3282811/apple-ios/which-iphones-ipads-support-apples-ios-12.html#tk.rss_all
Apple earlier this month told iPhone and iPad users that if their devices are currently running iOS 11, they will also run the upcoming iOS 12, an upgrade slated to ship this fall.
According to Apple, the new mobile operating system will be supported on these devices:
iPhone X iPhone 6/6 Plus and later; iPhone SE iPhone 5S iPad Pro; 12.9-in., 10.5-in., 9.7-in. iPad Air and later; iPad, 5th generation and later; iPad Mini 2 and later; iPod Touch 6th generation.
[iOS 12 will also be pre-installed on the new iPhone(s) Apple unveils this fall.]
The list is identical to the one Apple