Comparison of KFA2 GeForce GTX 1060 OC 6GB GDDR5X REDBLACK version video card vs Gainward GeForce GTX 1660 Pegasus OC video card by specifications and benchmarks. KFA2 GeForce GTX 1060 OC 6GB GDDR5X REDBLACK version runs at 1.518 GHz+ 1 % base clock speed and has 6 GB of GDDR5X memory, while video card Gainward GeForce GTX 1660 Pegasus OC runs at 1.530 GHz base clock speed and has 6 GB of GDDR5 memory. The TDP of the first video card is 120 W, and the second is 120 W. Compare the table of benchmark results to find out which graphic card is better.