Topic summary
Apple U1

Extracted from the Wikipedia article Apple silicon.
Apple U1
The Apple U1 is used in the iPhone 11/11 Pro series through the iPhone 14/14 Pro series (excluding the second and third generation iPhone SE), Apple Watch Series 6 through Series 8, Apple Watch Ultra (1st generation), HomePod (2nd generation), HomePod Mini, AirTag (first generation), and the charging case for AirPods Pro (2nd generation).