Comparison of ZOTAC GAMING GeForce GTX 1660 Ti 6GB GDDR6 video card vs Gainward GeForce GTX 960 Phantom video card by specs and benchmarks. ZOTAC GAMING GeForce GTX 1660 Ti 6GB GDDR6 runs at 1.500 GHz base clock speed and has 6 GB of GDDR6 memory, while video card Gainward GeForce GTX 960 Phantom runs at 1.500 GHz base clock speed and has 2 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.