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 and Radeon - Minimal meets mighty in the all-new Lenovo Legion 5, powered by AMD Ryzen 4000 H-Series Mobile processors. Discover industry-leading power in a mobile package. https://lnv.gy/3fHIStU | Facebook
AMD Ryzen 9 4000H And 4000HS APU Units Hit The Top End Of Laptop Power - SlashGear
AMD Ryzen 4000H series capped to PCIe 3.0 x8, limiting high-end GPU options : r/hardware