Comparison of Biostar Radeon RX Vega 56 8G video card vs GIGABYTE AORUS GeForce RTX 2080 Ti Turbo 11G 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 GIGABYTE AORUS GeForce RTX 2080 Ti Turbo 11G runs at 1.350 GHz base clock speed and has 11 GB of GDDR6 memory. The TDP of the first video card is 210 W, and the second is 250 W. Compare the table of benchmark results to find out which graphic card is better.