Comparison of ZOTAC GeForce GTX 1060 AMP Edition 6GB GDDR5X video card vs Colorful GeForce GTX 1660 Ti SI 6G-V video card by specs and benchmarks. ZOTAC GeForce GTX 1060 AMP Edition 6GB GDDR5X runs at 1.607 GHz+ 7 % base clock speed and has 6 GB of GDDR5X memory, while video card Colorful GeForce GTX 1660 Ti SI 6G-V runs at 1.607 GHz+ 7 % base clock speed and has 6 GB of GDDR6 memory. The weight is different, -- vs --. The TDP of the first video card is 120 W, and the second is 120 W . Compare the benchmark results to find out which video card is better.