The Redmi K80 Ultra is now here and with relatively restrained styling for a Redmi K smartphone. Also known as the Redmi K80 Extreme Edition, the smartphone comes with four launch colours, up to 16 GB of RAM, 1 TB of storage, a flagship MediaTek chipset and a huge battery that surpasses 7,000 mAh.https://www.notebookcheck.net/Xiaomi-releases-Redmi-K80-Ultra-with-aggressive-pricing-and-minimalist-design.1045413.0.html
"To that end, Xiaomi has turned to MediaTek to power the Redmi K80 Ultra rather than Qualcomm."
Before CN's Xiaomi Redmi K70 Ultra (non-CN's Xiaomi 14T Pro) was powered by MediaTek's Dimensity 9300+, so nothing has changed.
Following the guidelines, the previous CN's Xiaomi Redmi K70E (non-CN's Xiaomi 14T) with MediaTek's Dimensity 8300 should lead to a newer CN's Xiaomi Redmi K80E (non-CN's Xiaomi 15T), powered again with MediaTek's newer Dimensity 8400.