Comparison of MSI Radeon RX 5700 Mech GP OC video card vs XFX Radeon RX 580 GTS Black Edition 8GB video card by specifications and benchmarks. MSI Radeon RX 5700 Mech GP OC runs at 1.515 GHz+ 3 % base clock speed and has 8 GB of GDDR6 memory, while video card XFX Radeon RX 580 GTS Black Edition 8GB runs at 1.257 GHz base clock speed and has 8 GB of GDDR5 memory. The TDP of the first video card is 180 W, and the second is 185 W. Compare the table of benchmark results to find out which graphic card is better.