Yes, I purchased my Ryzen 5 3600 last week. As for the 1.2V static, I did not hear about that but I've only seen it mentioned in that Reddit post. I did read a post that said people who ran 1.325V experienced degradation and that someone who had read some information on TSMC 7nm node found out that the recommended voltage for that node is 1.3V. But I couldn't find the sources of those statements.
This is what I think:
My Ryzen 3600 can run 4.4Ghz@1.175V or even lower (temperatures around the 60's). For Prime95 small FFTs I need 1.25V. Temperatures can then spike to 96°C(!). I do not think the CPU gets this hot because of bad cooling (I have a NZXT Kraken X62 280mm AIO) but because the 7nm process is so dense that the heat can't travel fast enough through the silicon into the IHS so it doesn't matter how much cooling you have (correct me if I'm wrong). When you run workloads like this at these temperatures, you will definitely degrade your cpu.
In AIDA 64 temperatures are around 77°C and for gaming they are somewhere in the high 60's. However I do not plan on running workloads like Prime95 so in this case it seems perfectly fine to run 1.25V if you have enough cooling. This ensures me that my system is stable for my workloads without the degradation and if I ever need the heavier workloads, I know that my system isn't just going to shutdown. I can then adjust the voltage and clock later to lower the temperatures. But I haven't had enough time to descently overclock the cpu so I will definitly try and lower those temperatures and voltages if I can.
The easier route would be to try 4.3Ghz and lower the voltage, but to me, that's less fun😜
I had the exact same experience yesterday and I didn't understand it at first because other people where pushing 1.35V or more to reach 4.4Ghz. I was at 1.175V and it was still stable so I just didn't go any lower but possebly could.
Make sure to run a Prime95 test with the small FFts. The system was stable for hours on a normal stress test but with Prime95 small FFts I had to bump the voltage up to 1.25V.
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