The upcoming 12 core and 24 thread Ryzen 9 3900X has posted seriously impressive Geekbench 4.3 and SiSoftware multi-core scores, leaving the Core i9-9900K and even the Threadripper 2950X in its wake. The benchmark results confirm that the APU will have a 3.8 GHz base clock that it can boost to between 4.51 and 4.54 GHz.
https://www.notebookcheck.net/The-Ryzen-9-3900X-eats-Intel-and-Threadripper-processors-for-breakfast-lunch-and-dinner-in-multi-core-benchmarks.426683.0.html