That would make more sense, if it is at 2.5Ghz eg. the score actually makes sense with the overclock, but why does it say 2.1Ghz?
The numbers the guy posted are for the 1080 at 2.5ghz, the videocards one ran the card at 2.1ghz and have lower scores in comparison. Those numbers makes it around 40-45% over the stock titan x