AMD confirmed today that prices for its next-gen Ryzen 9000 desktop processors, previously leaked by Best Buy, are accurate. Surprisingly, these prices represent a decrease relative to the prior generation. An official X/Twitter post says that the Ryzen 7 9700X will be priced at $359 (down $40 from its previous Ryzen 7 7700X) and the Ryzen 5 9600X will be priced at $279 (down $20 from its previous Ryzen 5 7600X). They’re hitting the streets August 8. Following a week later on August 15th will be the Ryzen 9 9950X, $649, and the Ryzen 7 9900X, $499. Those are cheaper than their 7000-series mode…