The AMD Ryzen 9 4900HS, Ryzen 7 4800H and Ryzen 7 4800HS dominate Intel in PassMark; even the Ryzen 7 4700U gets in on the action - NotebookCheck.net News
AMD Ryzen 9 4900HS revealed to have 3.0 GHz base clock and 4.4 GHz boost clock; trails behind Ryzen 7 4800H in first 3DMark 11 tests - NotebookCheck.net News
AMD announces Ryzen 9 4900H and 4900HS mobile chips - The Verge
Ryzen 7 4800H beats the AMD Ryzen 9 4900H in latest 3DMark Time Spy leak: Dell laptop with AMD RX 5600M is 10 percent slower and no match for the Intel i9-10980HK -
Introducing AMD Ryzen 9 4000 H-Series Mobile Processors for Gaming Notebooks - TechBroll
AMD Ryzen 9 4900U gleams with 4.3 GHz and Radeon graphics
AMD's new Ryzen 9 laptop CPUs aim to topple Intel's most powerful Core i9 chips | PCWorld
AMD Details Renoir: The Ryzen Mobile 4000 Series 7nm APU Uncovered
AMD Ryzen 4000 Mobile APUs: 7nm, 8-core on both 15W and 45W, Coming Q1
AMD details Ryzen Mobile 4000: Performance, architecture, features and better quality laptops | TechSpot