Comparison of MSI Radeon RX 6800 Gaming X Trio 16G video card vs XFX Radeon RX Vega 64 Black Fan video card by specifications and benchmarks. MSI Radeon RX 6800 Gaming X Trio 16G runs at 1.775 GHz+ 4 % base clock speed and has 16 GB of GDDR6 memory, while video card XFX Radeon RX Vega 64 Black Fan runs at 1.247 GHz base clock speed and has 8 GB of HBM2 memory. The TDP of the first video card is 250 W, and the second is 295 W. Compare the table of benchmark results to find out which graphic card is better.