Comparison of ZOTAC GeForce GTX 1070 AMP Extreme video card vs ASUS TUF Gaming X3 GeForce GTX 1660 SUPER video card by specifications and benchmarks. ZOTAC GeForce GTX 1070 AMP Extreme runs at 1.632 GHz+ 8 % base clock speed and has 8 GB of GDDR5 memory, while video card ASUS TUF Gaming X3 GeForce GTX 1660 SUPER runs at 1.530 GHz base clock speed and has 6 GB of GDDR6 memory. The TDP of the first video card is 250 W+ 67 %, and the second is 125 W. Compare the table of benchmark results to find out which graphic card is better.