Comparison of Colorful GeForce GTX 1660 Ti SI 6G-V video card vs GIGABYTE GeForce GTX 960 WINDFORCE 2X OC Rev. 1.0 video card by specifications and benchmarks. Colorful GeForce GTX 1660 Ti SI 6G-V runs at 1.500 GHz base clock speed and has 6 GB of GDDR6 memory, while video card GIGABYTE GeForce GTX 960 WINDFORCE 2X OC Rev. 1.0 runs at 1.216 GHz+ 8 % base clock speed and has 2 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.