Comparison of KFA2 GeForce GTX 1060 EXOC 3GB video card vs GALAX GeForce GTX 1660 SUPER Prodigy video card by specifications and benchmarks. KFA2 GeForce GTX 1060 EXOC 3GB runs at 1.544 GHz+ 3 % base clock speed and has 3 GB of GDDR5 memory, while video card GALAX GeForce GTX 1660 SUPER Prodigy 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.