ARM outside of Macs are not beefy. Excluding apples cpus, x86_64 is ahead in perf/per watt. Remember that until 3 months ago, Apple was one CPU node ahead:

ARM outside of Macs are not beefy. Excluding apples cpus, x86_64 is ahead in perf/per watt. Remember that until 3 months ago, Apple was one CPU node ahead: https://en.wikipedia.org/wiki/5_nm_process#Commercialization https://en.wikipedia.org/wiki/5_nm_process#Commercialization