Comparison of ZOTAC GeForce GTX 1080 Ti AMP Edition video card vs Colorful iGame GeForce GTX 1660 SUPER Ultra 6G-V video card by specifications and benchmarks. ZOTAC GeForce GTX 1080 Ti AMP Edition runs at 1.569 GHz+ 6 % base clock speed and has 11 GB of GDDR5X memory, while video card Colorful iGame GeForce GTX 1660 SUPER Ultra 6G-V runs at 1.530 GHz base clock speed and has 6 GB of GDDR6 memory. The TDP of the first video card is 270 W+ 8 %, and the second is 125 W. Compare the table of benchmark results to find out which graphic card is better.