Comparison of MSI Radeon RX 5500 XT Mech 8G video card vs XFX Radeon RX 5700 Double Dissipation video card by specifications and benchmarks. MSI Radeon RX 5500 XT Mech 8G runs at 1.607 GHz base clock speed and has 8 GB of GDDR6 memory, while video card XFX Radeon RX 5700 Double Dissipation runs at 1.565 GHz+ 7 % base clock speed and has 8 GB of GDDR6 memory. The TDP of the first video card is 130 W, and the second is 180 W. Compare the table of benchmark results to find out which graphic card is better.