AMD includes the Ryzen 9 4900H and Ryzen 9 4900HS in the Renoir Ryzen 4000 APU lineup: faster base clocks than the Core i9-9880H at 45W TDP - NotebookCheck.net News
AMD Ryzen 9 4900U appears with integrated graphics in UserBenchmark
AMD Ryzen 9 4900U APU Make First Appearance On UserBenchmark | WePC
AMD Ryzen 9 4900H : 8C/16T High Performance Mobile APU! | Tech ARP