Comparison of INNO3D GeForce GTX 1080 iCHILL X4 video card vs INNO3D GeForce GTX 1660 TWIN X2 video card by specifications and benchmarks. INNO3D GeForce GTX 1080 iCHILL X4 runs at 1.759 GHz+ 9 % base clock speed and has 8 GB of GDDR5X memory, while video card INNO3D GeForce GTX 1660 TWIN X2 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.