AMD details Ryzen Mobile 4000: Performance, architecture, features and better quality laptops | TechSpot
AMD Zen 3 Based Ryzen 4000 & EPYC Milan CPUs Arrive in Late 2020
AMD Increases CPU And GPU Performance With New Ryzen 4000 Series Laptop Platform
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