Comparison of GALAX GeForce GTX 1070 KATANA video card vs KFA2 GeForce GTX 1070 EX Black Edition video card by specifications and benchmarks. GALAX GeForce GTX 1070 KATANA runs at 1.518 GHz+ 1 % base clock speed and has 8 GB of GDDR5 memory, while video card KFA2 GeForce GTX 1070 EX Black Edition 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.