It's worth noting too that the 28nm node is 10 years old now. [1] That's the biggest factor for power consumption. It's just a really cheap node to run now, whi

It's worth noting too that the 28nm node is 10 years old now. [1] That's the biggest factor for power consumption. It's just a really cheap node to run now, which is why we're seeing it in stuff like Pi's. [2] 1: https://en.wikichip.org/wiki/28_nm_lithography_process 2: https://omdia.tech.informa.com/OM016176/28nm-to-be-a-long-lived-node-for-semiconductor-applications-in-the-next-five-years