Note that it’s only 7W greater at stock clocks.
You're looking at chips from 2017 when Intel had stinkers and under load, but what I said is true, the IO die has high idle power draw compared to modern monolithic designs, which gets hidden away under load.
Just Google if you don't believe me, plenty of older desktop Ryzen owners complain about higher idle power draw compared to Intel.
What I’m saying is that a computer with a cpu that is 65W TDP (from a time when amd’s TDP was close to being accurate as ~ max power consumption under load), the i/o die (which is part of that 65w TDP; which is for load) cannot possibly be the main reason his computer is idling at 80W. Especially when I linked an instance of a system also with a ryzen 1700 that was idling for 57W and with a similar configuration as an intel contemporary only being 7W greater at idle.
Here:
This leaves us with 60W-68W unaccounted for at idle. Even in the worst case for i/o power usage that’s 75% unaccounted for.
I keep talking about TDP and load power because even in the case where the cpu isn’t using lower power states correctly for whatever reason, the i/o die cannot possibly be majority of the 80W power usage.
Source for power usage of i/o die:
1700 (same i/o die as 1300x/1500x): https://www.anandtech.com/show/11658/the-amd-ryzen-3-1300x-r...
5800x: https://www.anandtech.com/show/16214/amd-zen-3-ryzen-deep-di...