According to latest rumors, AMD Ryzen 4000 series Renoir APUs will be officially announced tomorrow. AMD seems has changed names of new APUs, the new names are AMD Ryzen 7 4700G, AMD Ryzen 54600G, AMD Ryzen 3 4300G. All these APUs will coming to OEM systems only, means you will not able to DIY your PC with these processors.
The Ryzen 5 4600G will have a base clock of 3.7 GHz and boost up to 4.2 GHz. Unlike the 8-core model, this processor will rely on 7 Graphics Cores. The Ryzen 3 4300G on the other hand will offer 4 cores and 8 threads. It will be accompanied by 6 Graphics Cores.