And... I would downgrade to 7.5.4 soon, in 8.1.2 antutu scores multiple times with 45k, but in 7.5.4, it was over 65k in 3 cool-start tests (best for hi-3D games).
Dual apps, nice ui, second space and whatsoever but perfomance is not being highlighted at all.
Edit:
Updated to 8.1.3, get cpu...