Comparison of KFA2 GeForce GTX 1070 EX Red Edition video card vs MSI GeForce GTX 1660 GAMING X 6G video card by specifications and benchmarks. KFA2 GeForce GTX 1070 EX Red Edition runs at 1.518 GHz+ 1 % base clock speed and has 8 GB of GDDR5 memory, while video card MSI GeForce GTX 1660 GAMING X 6G runs at 1.530 GHz base clock speed and has 6 GB of GDDR5 memory. The TDP of the first video card is 150 W, and the second is 120 W. Compare the table of benchmark results to find out which graphic card is better.