Comparison of Biostar Radeon RX Vega 56 8G video card vs INNO3D GeForce GTX 1080 iCHILL X4 video card by specifications and benchmarks. Biostar Radeon RX Vega 56 8G runs at 1.156 GHz base clock speed and has 8 GB of HBM2 memory, while video card INNO3D GeForce GTX 1080 iCHILL X4 runs at 1.759 GHz+ 9 % base clock speed and has 8 GB of GDDR5X memory. The TDP of the first video card is 210 W, and the second is 230 W+ 28 %. Compare the table of benchmark results to find out which graphic card is better.