Comparison of Gainward GeForce GTX 1060 6GB Phoenix GS video card vs GIGABYTE GeForce GTX 1660 TI WINDFORCE 6G video card by specs and benchmarks. Gainward GeForce GTX 1060 6GB Phoenix GS runs at 1.620 GHz+ 8 % base clock speed and has 6 GB of GDDR5 memory, while video card GIGABYTE GeForce GTX 1660 TI WINDFORCE 6G runs at 1.620 GHz+ 8 % 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.