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's Mobile Ryzen 4000 Series Is Looking Good So Far
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's Ryzen 4000 laptop CPUs aim to topple Intel's mobile crown | PCWorld
AMD Introduces AMD Ryzen 9 4000H for Gaming Notebooks (+Renoir Die shots)
AMD Ryzen 4000H series capped to PCIe 3.0 x8, limiting high-end GPU options - VideoCardz.com