Yep, they were using ARM cores up until the A5 (iPhone 4S, ARM Cortex-A9), then a custom core for the A6, and then... have people forgotten how the A7 came out

Yep, they were using ARM cores up until the A5 (iPhone 4S, ARM Cortex-A9), then a custom core for the A6, and then... have people forgotten how the A7 came out of nowhere with its custom 64-bit core and completely blew away the rest of the industry with its performance? Source: https://en.wikipedia.org/wiki/Apple-designed_processors https://en.wikipedia.org/wiki/Apple-designed_processors