Comparison of GIGABYTE GeForce GTX 1660 GAMING OC 6G video card vs PNY GeForce GTX 960 video card by specifications and benchmarks. GIGABYTE GeForce GTX 1660 GAMING OC 6G runs at 1.530 GHz base clock speed and has 6 GB of GDDR5 memory, while video card PNY GeForce GTX 960 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.