MediaTek invented a whole new tier of its high-end mobile chipsets with the introduction of the Dimensity 1100 alongside its outright flagship counterpart the 1200. A new leak indicates that Vivo has a device with this new premium-ish mid-range processor in the works. It is to have 12GB of RAM and an FHD+ display.
https://www.notebookcheck.net/Vivo-might-be-the-first-OEM-to-launch-a-Dimensity-1100-powered-phone.517430.0.html