AMD Ryzen 4000 release date, laptops and specs: everything we know about AMD's next CPUs | TechRadar
AMD's first 7nm Ryzen 4000 desktop chips bring the fight to Intel - The Verge
AMD Ryzen 4000 Mobile APUs: 7nm, 8-core on both 15W and 45W, Coming Q1
AMD Ryzen 4000-series processor bests Intel Core i7 CPU in power tests | Windows Central
AMD Ryzen 4000 Series Desktop Processors with AMD Radeon Graphics Set to Deliver Breakthrough Performance for Commercial and Consumer Desktop PCs - The Tech Revolutionist