Official announcement of AMD Ryzen 4000 hybrid processors for AM4 platform | Compspice
Ryzen 4000 CPUs explained: How AMD optimized Zen 2 for laptops | PCWorld
AMD's 7nm Ryzen 4000 CPUs are here to take on Intel's 10nm Ice Lake laptop chips - The Verge
AMD Ryzen 5 4500 Processor 6-core 12 Threads up to 4.1 GHz with Wraith Stealth Cooler AM4 | GameStop
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 details Ryzen Mobile 4000: Performance, architecture, features and better quality laptops | TechSpot
AMD Renoir-X Ryzen 4000 CPUs Alleged Specifications Detailed: Ryzen 7 4700 With 8 Cores, Ryzen 5 4600 With 6 Cores, Ryzen 3 4300 With 4 Cores