Comparison of GIGABYTE GeForce GTX 1070 WINDFORCE OC 8G (rev. 1.0) video card vs KFA2 GeForce GTX 1660 SUPER EX (1-Click OC) video card by specifications and benchmarks. GIGABYTE GeForce GTX 1070 WINDFORCE OC 8G (rev. 1.0) runs at 1.556 GHz+ 3 % base clock speed and has 8 GB of GDDR5 memory, while video card KFA2 GeForce GTX 1660 SUPER EX (1-Click OC) runs at 1.530 GHz base clock speed and has 6 GB of GDDR6 memory. The TDP of the first video card is 150 W, and the second is 125 W. Compare the table of benchmark results to find out which graphic card is better.