Comparison of ZOTAC GeForce GTX 960 2xDVI video card vs Colorful iGame GeForce GTX 1660 Ti Ultra 6G-V video card by specifications and benchmarks. ZOTAC GeForce GTX 960 2xDVI runs at 1.177 GHz+ 4 % base clock speed and has 2 GB of GDDR5 memory, while video card Colorful iGame GeForce GTX 1660 Ti Ultra 6G-V runs at 1.500 GHz base clock speed and has 6 GB of GDDR6 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.