UK and Europe are getting bigger discounts compared to the U.S. market, but overall, we are looking at 10-20% price slashes across the board, with one exception - the Ryzen 9 5900X model is considerably overpriced on Amazon U.S. for no apparent reason.
https://www.notebookcheck.net/AMD-lowers-prices-on-its-Ryzen-5000-desktop-processors.559103.0.html