Comparison of GIGABYTE GeForce GTX 1060 WINDFORCE OC 6G video card vs EVGA GeForce GTX 1660 Ti XC ULTRA GAMING video card by specs and benchmarks. GIGABYTE GeForce GTX 1060 WINDFORCE OC 6G runs at 1.556 GHz+ 3 % base clock speed and has 6 GB of GDDR5 memory, while video card EVGA GeForce GTX 1660 Ti XC ULTRA GAMING runs at 1.556 GHz+ 3 % base clock speed and has 6 GB of GDDR6 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.