If you take human brains as the limit (a questionable assumption) they do it all for 20 watts (and hardware that makes itself!) The training is often years an

If you take human brains as the limit (a questionable assumption) they do it all for 20 watts (and hardware that makes itself!) The training is often years and can be expensive. In all seriousness though there’s plenty of room for improvement both in current models and hardware.