It's been all but confirmed that the Redmi Note 11 will debut on the global market with a Snapdragon 680 onboard. Sadly, though, it appears the Snapdragon 680 is actually a performance downgrade from the Redmi Note 10's Snapdragon 678.
https://www.notebookcheck.net/Redmi-Note-11-vs-Redmi-Note-10-Snapdragon-680-Geekbench-scores-show-worse-performance-than-the-Snapdragon-678.595225.0.html
Better battery life, ISP and screen frequency. A little worse on other subjects.
I guess it depends on what each customer's priority is.