AMD introduces the Zen 3 Ryzen desktop processors LIVE

Summary

Join AMD CEO Dr. Lisa Su as she details the highly anticipated AMD Ryzen™ desktop processor lineup powered by the groundbreaking “Zen 3” architecture at 12pm EST (8/Oct/2020) / 12am SGT/HKT (9/Oct/2020).

Will the new ZEN 3 architecture be able to break the 5 GHz on AIR limit ? How much more instructions per clock and cores can it bring out.

Secondly, All X570 and B550 boards should work with the ZEN 3 processors. What about older ones?