Comparison of GIGABYTE GeForce GTX 1070 WINDFORCE 8G (rev. 1.0) video card vs KFA2 GeForce GTX 1070 EX video card by specifications and benchmarks. GIGABYTE GeForce GTX 1070 WINDFORCE 8G (rev. 1.0) runs at 1.506 GHz base clock speed and has 8 GB of GDDR5 memory, while video card KFA2 GeForce GTX 1070 EX runs at 1.518 GHz+ 1 % base clock speed and has 8 GB of GDDR5 memory. The TDP of the first video card is 150 W, and the second is 150 W. Compare the table of benchmark results to find out which graphic card is better.