Comparison of XFX Radeon RX 5700 XT Double Dissipation video card vs MSI GeForce RTX 2080 Ti Lightning 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 GeForce RTX 2080 Ti Lightning runs at 1.350 GHz base clock speed and has 11 GB of GDDR6 memory. The TDP of the first video card is 225 W, and the second is 350 W+ 40 %. Compare the table of benchmark results to find out which graphic card is better.