The Mate 20 Pro was hyped to the high heavens at launch, with rumors claiming it would be by far the highest rated device on DxOMark. The device was benchmarked yesterday, however, and only managed to match the P20 Pro, with the older flagship having the advantage in several departments.
https://www.notebookcheck.net/DxOMark-The-Mate-20-Pro-s-cameras-aren-t-better-than-those-of-the-P20-Pro.396286.0.html