The best part is that the iPhone A* series is power limited, to about 5 watts max. They could easily double performance with a real power budget, by increasing

The best part is that the iPhone A* series is power limited, to about 5 watts max. They could easily double performance with a real power budget, by increasing clock frequency, bus speeds, cache sizes, etc. They don't even need to mess with the cores. The A9 cores could easily beat Xeons if they were ever given a server implementation.