Comparison of MSI Radeon RX Vega 56 Air Boost 8G OC video card vs GIGABYTE GeForce GTX 1080 Ti Gaming OC 11G video card by specifications and benchmarks. MSI Radeon RX Vega 56 Air Boost 8G OC runs at 1.181 GHz+ 2 % base clock speed and has 8 GB of HBM2 memory, while video card GIGABYTE GeForce GTX 1080 Ti Gaming OC 11G runs at 1.518 GHz+ 3 % base clock speed and has 11 GB of GDDR5X memory. The TDP of the first video card is 210 W, and the second is 280 W+ 12 %. Compare the table of benchmark results to find out which graphic card is better.