Comparison of NVIDIA GeForce GTX 1660 video card vs Colorful GeForce GTX 1060 NB 6G V2-V 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 Colorful GeForce GTX 1060 NB 6G V2-V runs at 1.530 GHz base clock speed and has 6 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.