Comparison of INNO3D GeForce GTX 1080 iCHILL Black video card vs GIGABYTE GeForce GTX 1660 D5 6G video card by specifications and benchmarks. INNO3D GeForce GTX 1080 iCHILL Black runs at 1.759 GHz+ 9 % base clock speed and has 8 GB of GDDR5X memory, while video card GIGABYTE GeForce GTX 1660 D5 6G runs at 1.530 GHz base clock speed and has 6 GB of GDDR5 memory. The TDP of the first video card is 230 W+ 28 %, and the second is 120 W. Compare the table of benchmark results to find out which graphic card is better.