TDP matters for serious work. Over normal work periods, that ipad is going to continue to operate at a fairly high frequency while the iphone will throttle beca

TDP matters for serious work. Over normal work periods, that ipad is going to continue to operate at a fairly high frequency while the iphone will throttle because it can't dissipate as much heat. Dissipation and size affect many other parts of system design too (eg, memory speed, width, and size).