Comparison of KFA2 GeForce GTX 1060 OC 6GB GDDR5X video card vs Gainward GeForce GTX 1660 SUPER Pegasus OC video card by specifications and benchmarks. KFA2 GeForce GTX 1060 OC 6GB GDDR5X runs at 1.518 GHz+ 1 % base clock speed and has 6 GB of GDDR5X memory, while video card Gainward GeForce GTX 1660 SUPER Pegasus OC runs at 1.530 GHz base clock speed and has 6 GB of GDDR6 memory. The TDP of the first video card is 120 W, and the second is 125 W. Compare the table of benchmark results to find out which graphic card is better.