Ryzen 5600G has a Passmark ST rating of 3,189. Considering that people with 5600X (3,378) were having issues with maintaining constant 100% speed even when emulating Pentium II 233 (close to Diablo 2's minimum requirements), I doubt you'd get the desired results with this processor. Personally, I'd...

Thanks for the nice comment!

I'm planning on upgrading to an AMD Ryzen 5 5600G. I'm hoping that will allow me to switch up to the Pentium IIs and smooth Diablo II .

I managed to get Diablo II working in PCem and wrote a mini-guide over at The Moving Caravan about how I went about it.