Geekbench has seemingly confirmed that the Samsung Galaxy Tab S7 will feature the Qualcomm Snapdragon 865 SoC and 8 GB of RAM. The Galaxy Tab S7 is thought to be launching next month with a 7,760 mAh battery and alongside the Galaxy Note20 series.
https://www.notebookcheck.net/Samsung-Galaxy-Tab-S7-Geekbench-confirms-Qualcomm-Snapdragon-865-and-8-GB-of-RAM-for-Q3-2020-bound-tablet.478955.0.html