Comparison of XFX Radeon RX 590 Fatboy Core Edition 8GB video card vs GALAX GeForce RTX 2080 Ti SG (1-Click OC) V2 video card by specifications and benchmarks. XFX Radeon RX 590 Fatboy Core Edition 8GB runs at 1.469 GHz base clock speed and has 8 GB of GDDR5 memory, while video card GALAX GeForce RTX 2080 Ti SG (1-Click OC) V2 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 250 W. Compare the table of benchmark results to find out which graphic card is better.