Comparison of GIGABYTE GeForce GTX 1060 Mini ITX OC 3G video card vs EVGA GeForce GTX 1660 SC ULTRA GAMING video card by specifications and benchmarks. GIGABYTE GeForce GTX 1060 Mini ITX OC 3G runs at 1.531 GHz+ 2 % base clock speed and has 3 GB of GDDR5 memory, while video card EVGA GeForce GTX 1660 SC ULTRA GAMING runs at 1.530 GHz base clock speed and has 6 GB of GDDR5 memory. The TDP of the first video card is 120 W, and the second is 120 W. Compare the table of benchmark results to find out which graphic card is better.