Comparison of Gainward GeForce GTX 1070 Phoenix GS video card vs EVGA GeForce GTX 1660 SUPER SC ULTRA GAMING video card by specifications and benchmarks. Gainward GeForce GTX 1070 Phoenix GS runs at 1.632 GHz+ 8 % base clock speed and has 8 GB of GDDR5 memory, while video card EVGA GeForce GTX 1660 SUPER SC ULTRA GAMING runs at 1.530 GHz base clock speed and has 6 GB of GDDR6 memory. The TDP of the first video card is 150 W, and the second is 125 W. Compare the table of benchmark results to find out which graphic card is better.