I must admit I was hoping that vega would come out in front of the 1080ti/titanxp
However I just remembered that nvidia cards typically run much higher clock speeds their then rated boost speeds? Someone with a nvidia card could confirm. So for instance a review said the
typical clock speeds of the 1080ti was 1700-1800mhz. Nvidia rated clock speeds are 1582mhz. So with nvidias own numbers the tflops value is just over 11tflops. But in reality it is theoretically over 12tflops. and closer to 13 if its at 1800mhz.
By nvidia deliberately reporting lower boost numbers, it skews the tflop > fps metric, creating the impression that nvidia cards perform better for less tflops v amd cards. And because the mi25 has 12.5tflops, it was hoped it would perform better than the 1080ti.
What would be interesting to see is a revised AMD v nvidia benchmark (580 v 1060) that also plots the actual clock of the card and the theoretical tflops as well. Its always been assumed that AMDs tflops do not translate in to graphics performance as efficiently as nvidia, but this might not be the whole picture