AMD Ryzen 9 3900X vs. Intel Core i9-9900K | Spec Comparison | Digital Trends
Ryzen 9 3900X vs. Core i9-9900K: 36 Game Benchmark | TechSpot
AMD Ryzen 9 3900X vs. Intel Core i9-9900K: Which High-End CPU to Buy? | PCMag
AMD Ryzen 9 3900X gaming benchmarks reveal turning off SMT narrows the performance gap with the Core i9-9900K only in select titles - NotebookCheck.net News
First official gaming benchmarks released for AMD Ryzen 9 3900X, as fast as Intel's i9 9900K