Ryzen 4000 CPUs explained: How AMD optimized Zen 2 for laptops | PCWorld
AMD Ryzen™ 4000 H-Series HS Design Standard | AMD
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 introduces Ryzen 4000 mobile, the world's first 7nm x86 notebook processors - Neowin