These two new handsets will hit the market in May and June, both with a Qualcomm Snapdragon 626 processor and running Android 7.1.1 out of the box. They are also BQ's first smartphones to feature USB Type-C and Quick Charge 3.0.
http://www.notebookcheck.net/BQ-unveils-Aquaris-X-and-Aquaris-X-Pro-handsets.207188.0.html
The article has an error, as you can read in the press release, X pro uses 12 MP Dual Pixel sensor, not dual sensors.