12 core Intel Core i9-10920X edges the AMD Ryzen 9 3900X in Geekbench; scores 22% more than the Threadripper 2920X in multicore workloads too but at likely 3x the price - NotebookCheck.net News
AMD Ryzen 9 3900X vs. Intel Core i9-9900K: Which High-End CPU to Buy? | PCMag
AMD Ryzen 9 3900X: A challenger for Intel's CPU crown
Intel Core i9-10900K review: early results against Ryzen 9 3900X/3950X
AMD Ryzen 9 3900X drops to an all-time low price of US$390 potentially jeopardizing both the Intel Core i7-10700K and the Core i9-10900K sales - NotebookCheck.net News
Ryzen 9 3900x vs i9 9900k Test in 9 Games - YouTube