Comparison of Sapphire Nitro+ Radeon RX Vega 56 video card vs INNO3D GeForce GTX 1080 Ti iCHILL X4 Ultra video card by specifications and benchmarks. Sapphire Nitro+ Radeon RX Vega 56 runs at 1.266 GHz+ 10 % base clock speed and has 8 GB of HBM2 memory, while video card INNO3D GeForce GTX 1080 Ti iCHILL X4 Ultra runs at 1.607 GHz+ 9 % base clock speed and has 11 GB of GDDR5X memory. The TDP of the first video card is 325 W+ 55 %, and the second is 280 W+ 12 %. Compare the table of benchmark results to find out which graphic card is better.