Another benchmark, M1 vs Ryzen 5800X on single threaded workloads. Ryzen wins the benchmarks, but the M1 has better perf/watt.https://github.com/tuhdo/tuhdo.github.io/blob/master/emacs-tutor/zen3_vs_m1.org …
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TSMC 7nm+ (introducting EUV) is indeed optimised for performance and not really for power efficiency and AMD are definitely designing for that. TSMC 5nm EUV that the M1 uses has a massive 30% power improvement over 7nm.
I bet Apple has better power management too. x86 systems have always kind of sucked at that, and that does a lot for the "battery lasts forever" results.
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Definitely. The problem AMD currently has is the 12nm I/O die power usage and whatever the heck is going on with the X570 chipset. That's kinda why I can see the I/O die going 7nm and K12 being introduced in the chipset. More so when one thinks of Epyc in the future.
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Don't forget the RAM. On-package dies save a lot of power. Apple isn't doing that to screw over repairs folks. Multiple cm of a 128bit (2xSODIMM) multi GHz bus plus a connector? That's not free.
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