Comparison of ASUS TUF Gaming X3 GeForce GTX 1660 video card vs KFA2 GeForce RTX 3060 EX (1-Click OC) video card by specifications and benchmarks. ASUS TUF Gaming X3 GeForce GTX 1660 runs at 1.530 GHz base clock speed and has 6 GB of GDDR5 memory, while video card KFA2 GeForce RTX 3060 EX (1-Click 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 170 W. Compare the table of benchmark results to find out which graphic card is better.