AMD Ryzen 4000 "Renoir" Desktop APU Specs Leaked: 8 CPU Cores and iGPU on Par with the PS4 | Hardware Times
AMD Ryzen 9 4900HS revealed to have 3.0 GHz base clock and 4.4 GHz boost clock; trails behind Ryzen 7 4800H in first 3DMark 11 tests - NotebookCheck.net News
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AMD Brings Power And Performance Of Ryzen 4000 Renoir Processors To Desktop PCs | HotHardware