The FCC has published a registration for what appears to be the Samsung Galaxy S21 FE. The entry reveals some additional details about the upcoming cheaper alternative to Samsung's existing Galaxy S21 series, including its flagship SoC.
https://www.notebookcheck.net/Samsung-Galaxy-F21-FE-FCC-registration-confirms-more-details-about-the-upcoming-Fan-Edition-smartphone.548434.0.html