Comparison of MSI Radeon RX Vega 56 Air Boost 8G video card vs KFA2 GeForce RTX 2070 OC video card by specifications and benchmarks. MSI Radeon RX Vega 56 Air Boost 8G runs at 1.156 GHz base clock speed and has 8 GB of HBM2 memory, while video card KFA2 GeForce RTX 2070 OC runs at 1.410 GHz base clock speed and has 8 GB of GDDR6 memory. The TDP of the first video card is 210 W, and the second is 175 W. Compare the table of benchmark results to find out which graphic card is better.