While the Redmi Note 7 is yet to receive Android 10 builds of MIUI 11, someone may have been trying out MIUI 12 on one unit. Spotted on Geekbench, the rogue Redmi Note 7 claims to be running Android 11, currently known as Android R. While it is not unheard of for devices running pre-release software to appear on popular benchmarking tools, we have our doubts about this.
https://www.notebookcheck.net/Xiaomi-Redmi-Note-7-spotted-running-MIUI-12-and-Android-11-on-Geekbench.455218.0.html