An alleged Samsung Galaxy S21 Geekbench listing has surfaced online. It appears to be running the Qualcomm Snapdragon 888. The chipset gets a single-core score of 1,075 and a multi-core score of 2,916. While the former seems ok, the latter appears to be a tad low.
https://www.notebookcheck.net/The-Samsung-Galaxy-S21-shows-up-on-Geekbench-running-a-Qualcomm-Snapdragon-888.507653.0.html