Comparison of GIGABYTE Radeon RX Vega 56 Gaming OC 8G video card vs EVGA GeForce GTX 1080 Ti SC2 ELITE GAMING RED 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 EVGA GeForce GTX 1080 Ti SC2 ELITE GAMING RED runs at 1.556 GHz+ 5 % base clock speed and has 11 GB of GDDR5X memory. The TDP of the first video card is 250 W+ 19 %, and the second is 250 W. Compare the table of benchmark results to find out which graphic card is better.