4GHz CPU Battle: Ryzen 3900X vs. 3700X vs. Core i9-9900K | TechSpot
Intel Core i9-10900K review: early results against Ryzen 9 3900X/3950X
AMD Ryzen 9 3900X vs. Intel Core i9-9900K | Spec Comparison | Digital Trends
AMD Ryzen 9 3900X: A challenger for Intel's CPU crown
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