Comparison of INNO3D GeForce GTX 1080 Twin X2 video card vs GALAX GeForce RTX 2080 EX White (1-Click OC) video card by specifications and benchmarks. INNO3D GeForce GTX 1080 Twin X2 runs at 1.607 GHz base clock speed and has 8 GB of GDDR5X memory, while video card GALAX GeForce RTX 2080 EX White (1-Click OC) runs at 1.515 GHz base clock speed and has 8 GB of GDDR6 memory. The TDP of the first video card is 180 W, and the second is 215 W. Compare the table of benchmark results to find out which graphic card is better.