AMD Ryzen 4000 Strikes Again: Renoir Clocks DDR4 To World Record 6666 MHz | Tom's Hardware
AMD launches Ryzen 4000 Mobile Renoir processors with 7nm Vega iGPU - VideoCardz.com
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 4000 'Renoir' benchmarks show a 90% performance boost over Ryzen 3000 | TechRadar