Vivo has already released 5G smartphones; now, it seems they are going for a third. A device called the "vivo V1963A" has appeared on Geekbench. Aspects of its processor match those found in a similar leak that may pertain to the Realme X50 5G, which will launch with the Snapdragon 765G processor.
https://www.notebookcheck.net/A-new-Snapdragon-765G-phone-from-Vivo-shows-up-on-Geekbench.449282.0.html