AMD's third-generation Ryzen series is finally available, with comparative reviews of Ryzen 9 3900X and Intel Core i9-9900K available - GIGAZINE
The Mitigation Impact Difference On AMD Ryzen 9 3900X vs. Intel Core i9 9900K Performance - Phoronix
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 review: The Core i9-9900K killer? | Rock Paper Shotgun