Comparison of Gainward GeForce GTX 1070 Phoenix GLH video card vs ASUS TUF Gaming GeForce GTX 1660 TI EVO OC Edition video card by specifications and benchmarks. Gainward GeForce GTX 1070 Phoenix GLH runs at 1.670 GHz+ 11 % base clock speed and has 8 GB of GDDR5 memory, while video card ASUS TUF Gaming GeForce GTX 1660 TI EVO OC Edition runs at 1.500 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 120 W. Compare the table of benchmark results to find out which graphic card is better.