Comparison of EVGA GeForce GTX 1660 Ti XC OC video card vs ZOTAC GeForce GTX 960 Reference video card by specifications and benchmarks. EVGA GeForce GTX 1660 Ti XC OC runs at 1.500 GHz base clock speed and has 6 GB of GDDR6 memory, while video card ZOTAC GeForce GTX 960 Reference runs at 1.127 GHz 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.