We already know that Intel will release Alder Lake-S desktop processors at the end of 2021. Now according to our source, the upcoming AMD ZEN 4 Ryzen 6000 series deaktop CPUs will be released in the first half of 2022 at the earilest.
AMD ZEN 4 Ryzen 6000 series desktop CPUs code name is 5nm Raphael, support DDR5 memory and PCIe 5.0. Stay tuned for more info.
See also: AMD CPU Roadmap