> most of which comes down to using the CPU as little as possible.
it least on mobile platform apple advocate the other way with race to sleep - do calculation as fast as you can with powerful cores so that whole chip can go back to sleep earlier and more often take naps.
Race to sleep is all about using the CPU as little as possible. Given that the modern AMD chips are faster than Apple M1 this clearly does not account for the disparity in battery life.