Comparison of XFX Radeon RX 5700 XT Double Dissipation video card vs MSI Radeon RX Vega 56 Air Boost 8G OC video card by specifications and benchmarks. XFX Radeon RX 5700 XT Double Dissipation runs at 1.605 GHz base clock speed and has 8 GB of GDDR6 memory, while video card 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. The TDP of the first video card is 225 W, and the second is 210 W. Compare the table of benchmark results to find out which graphic card is better.