Comparison of KFA2 GeForce GTX 1660 video card vs Gainward GeForce RTX 3060 Ghost OC video card by specifications and benchmarks. KFA2 GeForce GTX 1660 runs at 1.530 GHz base clock speed and has 6 GB of GDDR5 memory, while video card Gainward GeForce RTX 3060 Ghost OC runs at 1.320 GHz base clock speed and has 12 GB of GDDR6 memory. The TDP of the first video card is 120 W, and the second is 180 W+ 6 %. Compare the table of benchmark results to find out which graphic card is better.