Comparison of INNO3D GeForce GTX 1660 TWIN X2 OC RGB video card vs KFA2 GeForce RTX 2060 video card by specifications and benchmarks. INNO3D GeForce GTX 1660 TWIN X2 OC RGB runs at 1.530 GHz base clock speed and has 6 GB of GDDR5 memory, while video card KFA2 GeForce RTX 2060 runs at 1.365 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 160 W. Compare the table of benchmark results to find out which graphic card is better.