Comparison of NVIDIA GeForce GTX 1660 video card vs KFA2 GeForce GTX 1060 EXOC 3GB video card by specs and benchmarks. NVIDIA GeForce GTX 1660 runs at 1.530 GHz base clock speed and has 6 GB of GDDR5 memory, while video card KFA2 GeForce GTX 1060 EXOC 3GB runs at 1.530 GHz base clock speed and has 3 GB of GDDR5 memory. The weight is different, -- vs --. The TDP of the first video card is 120 W, and the second is 120 W . Compare the benchmark results to find out which video card is better.