Comparison of Gainward GeForce GTX 1080 Phoenix GLH video card vs INNO3D GeForce GTX 1660 TWIN X2 OC RGB video card by specifications and benchmarks. Gainward GeForce GTX 1080 Phoenix GLH runs at 1.746 GHz+ 9 % base clock speed and has 8 GB of GDDR5X memory, while video card INNO3D GeForce GTX 1660 TWIN X2 OC RGB runs at 1.530 GHz base clock speed and has 6 GB of GDDR5 memory. The TDP of the first video card is 180 W, and the second is 120 W. Compare the table of benchmark results to find out which graphic card is better.