AMD Ryzen 9 4900U with 8 cores & 4.3 GHz boost clock spotted on 3DMark - TechnoSports
An AMD Ryzen 9 4900U? Is AMD planning another 8 core APU for laptops? - NotebookCheck.net News
AMD Ryzen 9 4900U Coming to 15W Laptops Later in 2020 | Hardware Times
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: 8-core CPU at 4.3GHz for ultra-thin gaming laptops | TweakTown
Ryzen 7 Extreme Edition and Ryzen 9 4900U leaks hint that AMD is readying further nails for Intel's coffin | TechRadar