Comparison of AMD Radeon RX 590 video card vs XFX Radeon RX 590 Fatboy 8GB video card by specs and benchmarks. AMD Radeon RX 590 runs at 1.469 GHz base clock speed and has 8 GB of GDDR5 memory, while video card XFX Radeon RX 590 Fatboy 8GB runs at 1.469 GHz base clock speed and has 8 GB of GDDR5 memory. The weight is different, vs --. The TDP of the first video card is 225 W, and the second is 225 W . Compare the benchmark results to find out which video card is better.