Even though MediaTek unveiled the Dimensity 9000 earlier this month, we'll have to wait until February 2022 to see it in action. It is expected to power the Poco F4 GT and Redmi K50 Gaming Edition. Meanwhile, Qualcomm's newest Snapdragon 8 Gen 1 SoC is rumoured to hit shelves sometime in late December 2021.
https://www.notebookcheck.net/We-may-have-to-wait-until-February-to-see-the-MediaTek-Dimensity-9000-in-action.581458.0.html