Samsung has confirmed that it will release a new SoC on August 7, alongside the Galaxy Note 10 phones. That SoC is expected to be the Exynos 9825 and will power the upcoming flagships. New information also claims that the regular Note 10 could be cheaper than the S10+.
https://www.notebookcheck.net/Galaxy-Note-10-phones-confirmed-to-feature-a-brand-new-SoC-as-pricing-details-leak.428623.0.html