Comparison of INNO3D GeForce GTX 1080 Ti Gaming OC video card vs GALAX GeForce GTX 1660 video card by specifications and benchmarks. INNO3D GeForce GTX 1080 Ti Gaming OC runs at 1.556 GHz+ 5 % base clock speed and has 11 GB of GDDR5X memory, while video card GALAX 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 260 W+ 4 %, and the second is 120 W. Compare the table of benchmark results to find out which graphic card is better.