Comparison of KFA2 GeForce GTX 1660 Super video card vs KFA2 GeForce RTX 2070 SUPER video card by specifications and benchmarks. KFA2 GeForce GTX 1660 Super runs at 1.530 GHz base clock speed and has 6 GB of GDDR6 memory, while video card KFA2 GeForce RTX 2070 SUPER runs at 1.605 GHz base clock speed and has 8 GB of GDDR6 memory. The TDP of the first video card is 125 W, and the second is 215 W. Compare the table of benchmark results to find out which graphic card is better.