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
AMD Ryzen 9 3900X | TechRadar
Less than 6% of AMD Ryzen 9 3900X CPUs capable of advertised 4.6GHz boost | PCGamesN
AMD Ryzen 9 3900X Review | PCMag
AMD Ryzen 9 3900X: A challenger for Intel's CPU crown