![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 gaming benchmarks reveal turning off SMT narrows the performance gap with the Core i9-9900K only in select titles - NotebookCheck.net News](https://www.notebookcheck.net/fileadmin/Notebooks/News/_nc3/ryzen_9_3900x.jpg)
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
![16 GAMES Ryzen 7 1700 SMT OFF & ON - i7 6700k & GTX 1070 OC | 1080p | FRAME-RATE TEST COMPARISON - YouTube 16 GAMES Ryzen 7 1700 SMT OFF & ON - i7 6700k & GTX 1070 OC | 1080p | FRAME-RATE TEST COMPARISON - YouTube](https://i.ytimg.com/vi/qPr6pp4WWfc/maxresdefault.jpg)
16 GAMES Ryzen 7 1700 SMT OFF & ON - i7 6700k & GTX 1070 OC | 1080p | FRAME-RATE TEST COMPARISON - YouTube
![CapFrameX on Twitter: "Update with SMT off. Disabling SMT can almost fix the performance loss. What does the mean? Maybe reducing the thread pool of the game reduces the probability that 2 of N threads sharing data are spread across different CCDs ... CapFrameX on Twitter: "Update with SMT off. Disabling SMT can almost fix the performance loss. What does the mean? Maybe reducing the thread pool of the game reduces the probability that 2 of N threads sharing data are spread across different CCDs ...](https://pbs.twimg.com/media/FfH53PWXoAAV6n0.jpg)
CapFrameX on Twitter: "Update with SMT off. Disabling SMT can almost fix the performance loss. What does the mean? Maybe reducing the thread pool of the game reduces the probability that 2 of N threads sharing data are spread across different CCDs ...
![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 gaming benchmarks reveal turning off SMT narrows the performance gap with the Core i9-9900K only in select titles - NotebookCheck.net News](https://www.notebookcheck.net/fileadmin/_processed_/e/8/csm_ryzen_9_3900x_1pc_low_fps_smt_off_b97f914fef.png)