Although the recent teaser that Samsung has posted on Twitter only says "Intelligence from within" and contains the date of November 14, it is almost certain that this is all about the launch of the Exynos 9820 processor. This chip would make Samsung the third brand to enter the 7 nm realm, after Apple and Huawei.
https://www.notebookcheck.net/Samsung-might-unveil-the-Exynos-9820-SoC-this-Wednesday.360431.0.html