Comparison of Gainward GeForce GTX 960 Phantom video card vs NVIDIA GeForce GTX 1660 Ti video card by specs and benchmarks. Gainward GeForce GTX 960 Phantom runs at 1.203 GHz+ 7 % base clock speed and has 2 GB of GDDR5 memory, while video card NVIDIA GeForce GTX 1660 Ti runs at 1.203 GHz+ 7 % base clock speed and has 6 GB of GDDR6 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.