AMD details Ryzen Mobile 4000: Performance, architecture, features and better quality laptops | TechSpot
8-core AMD Ryzen 4000 Renoir desktop APU on ASRock B550 Taichi motherboard spotted on UserBenchmark performing on par with the Ryzen 7 4800H - NotebookCheck.net News
AMD Ryzen™ 4000 Series Mobile Processors – The World's Most Advanced Laptop Processors - YouTube