Comparison of Gainward GeForce GTX 1080 Phoenix video card vs INNO3D GeForce GTX 1080 Twin X2 video card by specifications and benchmarks. Gainward GeForce GTX 1080 Phoenix runs at 1.607 GHz base clock speed and has 8 GB of GDDR5X memory, while video card INNO3D GeForce GTX 1080 Twin X2 runs at 1.607 GHz base clock speed and has 8 GB of GDDR5X memory. The TDP of the first video card is 180 W, and the second is 180 W. Compare the table of benchmark results to find out which graphic card is better.