Comparison of Palit GeForce GTX 1070 Gamerock Premium video card vs KFA2 GeForce GTX 1660 Super video card by specifications and benchmarks. Palit GeForce GTX 1070 Gamerock Premium runs at 1.670 GHz+ 11 % base clock speed and has 8 GB of GDDR5 memory, while video card KFA2 GeForce GTX 1660 Super runs at 1.530 GHz base clock speed and has 6 GB of GDDR6 memory. The TDP of the first video card is 170 W+ 13 %, and the second is 125 W. Compare the table of benchmark results to find out which graphic card is better.