The Realme X7 Pro will be powered by the same Dimensity 1000+ on the Redmi K30 Ultra but beneath that will be the Realme X7 which will feature the all-new MediaTek Dimensity 800U. The phone has now also been tested on AnTuTu and shown to hold its own against the best Qualcomm currently has to offer in that space.
https://www.notebookcheck.net/Realme-X7-set-to-debut-with-the-all-new-MediaTek-Dimensity-800U-matches-the-Snapdragon-765G-on-AnTuTu.489742.0.html