Comparison of XFX Radeon RX 580 GTS XXX Edition 4GB video card vs GIGABYTE GeForce RTX 2080 Turbo 8G video card by specifications and benchmarks. XFX Radeon RX 580 GTS XXX Edition 4GB runs at 1.257 GHz base clock speed and has 4 GB of GDDR5 memory, while video card GIGABYTE GeForce RTX 2080 Turbo 8G runs at 1.515 GHz base clock speed and has 8 GB of GDDR6 memory. The TDP of the first video card is 185 W, and the second is 215 W. Compare the table of benchmark results to find out which graphic card is better.