Comparison of GIGABYTE Radeon RX Vega 56 Gaming OC 8G video card vs GIGABYTE GeForce GTX 1080 Turbo OC 8G video card by specifications and benchmarks. GIGABYTE Radeon RX Vega 56 Gaming OC 8G runs at 1.170 GHz+ 1 % base clock speed and has 8 GB of HBM2 memory, while video card GIGABYTE GeForce GTX 1080 Turbo OC 8G runs at 1.632 GHz+ 2 % base clock speed and has 8 GB of GDDR5X memory. The TDP of the first video card is 250 W+ 19 %, and the second is 180 W. Compare the table of benchmark results to find out which graphic card is better.