Driver version : 456.98
GPU Tweak II : V2.2.3.0 (Release 30th October)
I have set up :
+70% Voltage
Power Limit and Temp: Max
+ 100 Core
+ 250 Memory
I have launched Time Spy but strangely the memory remained at stock frequency.
I share my result
https://www.3dmark.com/3dm/52361926