AMD Ryzen™ 4000 Series Mobile Processors – The World's Most Advanced Laptop Processors - YouTube
AMD Ryzen 4000 Zen 2 Desktop CPU With Integrated Radeon GPU And B550 Motherboard Leaks | HotHardware
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 Increases CPU And GPU Performance With New Ryzen 4000 Series Laptop Platform
AMD Zen 3 Based Ryzen 4000 & EPYC Milan CPUs Arrive in Late 2020