AMD Launches Ryzen 4000 Series For Laptops: Zen 2 Mobile Unleashed With Big Performance Gains | HotHardware
AMD's upcoming Zen 3 Ryzen 4000 desktop CPUs may actually use TSMC's 5 nm enhanced production process, still scheduled to launch in Q4 2020 - NotebookCheck.net News
AMD Ryzen 9 4900HS Review | TechSpot
AMD announces new affordable Ryzen 5000 and 4000 series processors - GSMArena.com news
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