The race to the Redmi Note 5 is on a crescendo, with the device and a lower specced, identical variant being spotted on TENAA alongside an SoC which we think may just be the new Snapdragon 636.
https://www.notebookcheck.net/Redmi-Note-5-spotted-on-TENAA-Snapdragon-636-a-possibility.259180.0.html