Comparison of XFX Radeon RX 580 GTS Black Edition 8GB video card vs MSI GeForce RTX 2080 Ti Ventus 11G video card by specifications and benchmarks. XFX Radeon RX 580 GTS Black Edition 8GB runs at 1.257 GHz base clock speed and has 8 GB of GDDR5 memory, while video card MSI GeForce RTX 2080 Ti Ventus 11G runs at 1.350 GHz base clock speed and has 11 GB of GDDR6 memory. The TDP of the first video card is 185 W, and the second is 250 W. Compare the table of benchmark results to find out which graphic card is better.