We have not even got a chance to explore the limits of the new RX 6000 GPUs based on the RDNA 2 architecture, and AMD is already planning some impressive performance gains for the upcoming RDNA 3 cards that should release in late 2021. The performance uplift should be facilitated through MCM structures and the jump to 5 nm.
https://www.notebookcheck.net/AMD-is-expecting-the-next-gen-RDNA-3-GPUs-scheduled-for-2021-to-deliver-50-improved-performance-per-wat-over-the-new-RX-6000-series.503412.0.html
Most cannot obtain an RDNA 2 card so who cares about 3 right now? Let have AMD focus on delivering product to market and screw what is a year out. At this rate it will be a year before anyone can get RDNA 2 cards. Srsly losing interest in gaming and building systems....