Comparison of ASUS TUF Gaming X3 GeForce GTX 1660 SUPER ZAKU II video card vs Gainward GeForce RTX 2070 SUPER Phantom video card by specifications and benchmarks. ASUS TUF Gaming X3 GeForce GTX 1660 SUPER ZAKU II runs at 1.530 GHz base clock speed and has 6 GB of GDDR6 memory, while video card Gainward GeForce RTX 2070 SUPER Phantom runs at 1.605 GHz base clock speed and has 8 GB of GDDR6 memory. The TDP of the first video card is 125 W, and the second is 215 W. Compare the table of benchmark results to find out which graphic card is better.