For mobile devices, it isn't just about having apps leverage performance - it is also getting work over and done with so components can go back to sleep and sav

For mobile devices, it isn't just about having apps leverage performance - it is also getting work over and done with so components can go back to sleep and save battery. For tasks that will legitimately use every ounce of performance thrown at them or which have to run continuously or on a high interval, Apple tends to add custom silicon. See video encoding/decoding, crypto, use of machine learning models, non-homogenous core performance.