Anecdotally I find my m1 laptop and ryzen 5000-series laptop to have similar energy efficiency, but I don't have much hard data. When it comes to laptops idle e

Anecdotally I find my m1 laptop and ryzen 5000-series laptop to have similar energy efficiency, but I don't have much hard data. When it comes to laptops idle efficiency is king and this is where it gets hard to test the chips because the rest of the motherboard also has a role. For my m1, opening a vm or just plugging in a wireless mouse dongle is all it takes to shave several hours off the lifespan, like from 20 hours to 10. For the amd laptop, anything waking up the nvidia gpu will do the same, like 10 hours to 3. When you're talking such low amounts of power, the networking card, sound card, display efficiency, ssd efficiency, and whether the system chooses to run the fan or let the cpu stay warm starts to matter a lot since just like the cpu these are things that are running at the same time. So I guess a fair test would have to use the same ssd and have the monitor off, using an external monitor. Then you're just stuck with the efficiency of the parts of the motherboard you can't choose.