AMD Ryzen 4000 Zen 3 samples cannot reach 5.0 GHz; 16 core successor to the Ryzen 9 3950X in development - NotebookCheck.net News
AMD announces the Ryzen 4000G series Renoir APUs for pre-built OEM desktops; claims a slam dunk when compared with Intel 9th gen Coffee Lake - NotebookCheck.net News
AMD Ryzen 4000 APUs do not necessarily throttle on battery power, despite Intel's claims to the contrary - NotebookCheck.net News
AMD Ryzen 4000 release date, laptops and specs: everything we know about AMD's next CPUs | TechRadar
AMD details Ryzen Mobile 4000: Performance, architecture, features and better quality laptops | TechSpot
AMD A4-Series A4-4000 A4 4000 3.0 GHz Used Dual-Core CPU AD4000OKA23HL Socket FM2 _ - AliExpress Mobile