Comparison of NVIDIA GeForce GTX 1060 6GB GDDR5 video card vs ASUS TUF Gaming X3 GeForce GTX 1660 video card by specs and benchmarks. NVIDIA GeForce GTX 1060 6GB GDDR5 runs at 1.506 GHz base clock speed and has 6 GB of GDDR5 memory, while video card ASUS TUF Gaming X3 GeForce GTX 1660 runs at 1.506 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.