The Samsung Galaxy Note 20 series is slated to launch tomorrow (August 5, 2020); however, that has not stopped the flow of leaks for these premium phablets. One such last-ditch drip points to an 8GB RAM version of one. According to Geekbench 5, it runs on the Exynos 990 processor.
https://www.notebookcheck.net/A-Samsung-Galaxy-Note-20-variant-with-8GB-of-RAM-and-the-Exynos-990-SoC-pops-up-on-Geekbench.484155.0.html