Comparison of ZOTAC GeForce GTX 1060 AMP Core Edition 3GB video card vs ASUS Phoenix GeForce GTX 1660 video card by specifications and benchmarks. ZOTAC GeForce GTX 1060 AMP Core Edition 3GB runs at 1.582 GHz+ 5 % base clock speed and has 3 GB of GDDR5 memory, while video card ASUS Phoenix GeForce GTX 1660 runs at 1.530 GHz base clock speed and has 6 GB of GDDR5 memory. The TDP of the first video card is 120 W, and the second is 120 W. Compare the table of benchmark results to find out which graphic card is better.