Comparison of KFA2 GeForce GTX 1060 OC 6GB GDDR5X video card vs ZOTAC GeForce GTX 960 Reference video card by specifications and benchmarks. KFA2 GeForce GTX 1060 OC 6GB GDDR5X runs at 1.518 GHz+ 1 % base clock speed and has 6 GB of GDDR5X 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.