I’ve yet to see anything regarding this particular feature. Here’s a rough comparison of the new Ryzen line up vs Intel’s 13th gen:
And here’s how AMD 7800X3D performs outside the gaming ecosystem:
Nothing to write home about unless you’re gaming hard!
Have you considered Ryzen 7900 - the non X version where you can switch to PBO in the BIOS. It’s such an efficient little thing that makes one ponder why 7900x exists in the first place.
Typically for game dev, you want as much cores as you can get without sacrificing much speed.
Kind of true but bit of an overgeneralisation, not all cores are created equally - looking at your E cores, Intel. 
And generational improvements are meaningful as well. So are the clocks, ofc.