Comparison of MSI Radeon RX 580 Armor 4G video card vs XFX Speedster SWFT 319 Radeon RX 6800 XT CORE video card by specifications and benchmarks. MSI Radeon RX 580 Armor 4G runs at 1.257 GHz base clock speed and has 4 GB of GDDR5 memory, while video card XFX Speedster SWFT 319 Radeon RX 6800 XT CORE runs at 1.825 GHz base clock speed and has 16 GB of GDDR6 memory. The TDP of the first video card is 185 W, and the second is 300 W. Compare the table of benchmark results to find out which graphic card is better.