Comparison of GIGABYTE GeForce GTX 960 WINDFORCE 2X video card vs NVIDIA GeForce GTX 1660 Ti video card by specs and benchmarks. GIGABYTE GeForce GTX 960 WINDFORCE 2X runs at 1.152 GHz+ 2 % base clock speed and has 2 GB of GDDR5 memory, while video card NVIDIA GeForce GTX 1660 Ti runs at 1.152 GHz+ 2 % 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.