The Ryzen 2000 series still delivered decent performance gains over the original Ryzen models, even if the shrinking process was minimal. With the jump from 12 nm to 7 nm, the IPC boost is expected to be almost 5 times greater, at least in "scientific tasks." If multimedia and gaming loads get the same boost, this could be huge for AMD.
https://www.notebookcheck.net/AMD-s-Ryzen-3000-CPUs-to-get-outstanding-performance-bump-over-Ryzen-2000-models.338880.0.html