Comparison of Gainward GeForce GTX 1060 3GB video card vs Colorful GeForce GTX 1660 SUPER NB 6G-V video card by specifications and benchmarks. Gainward GeForce GTX 1060 3GB runs at 1.506 GHz base clock speed and has 3 GB of GDDR5 memory, while video card Colorful GeForce GTX 1660 SUPER NB 6G-V runs at 1.530 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 125 W. Compare the table of benchmark results to find out which graphic card is better.