Ryzen 9 3900X vs. Core i9-9900K: 36 Game Benchmark | TechSpot
AMD's third-generation Ryzen series is finally available, with comparative reviews of Ryzen 9 3900X and Intel Core i9-9900K available - GIGAZINE
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
Ryzen 9 3900X vs. Core i9-9900K: 36 Game Benchmark | TechSpot