Comparison of GIGABYTE GeForce GTX 1660 TI GAMING OC 6G video card vs KFA2 GeForce GTX 960 Reference Design OC video card by specs and benchmarks. GIGABYTE GeForce GTX 1660 TI GAMING OC 6G runs at 1.500 GHz base clock speed and has 6 GB of GDDR6 memory, while video card KFA2 GeForce GTX 960 Reference Design OC runs at 1.500 GHz base clock speed and has 4 GB of GDDR5 memory. The weight is different, -- vs --. The TDP of the first video card is 120 W, and the second is 120 W . Compare the benchmark results to find out which video card is better.