Comparison of ASRock Intel Arc A750 Challenger D 8GB OC video card vs XFX Radeon RX 590 Fatboy 8GB video card by specs and benchmarks. ASRock Intel Arc A750 Challenger D 8GB OC runs at 2.200 GHz+ 7 % base clock speed and has 8 GB of GDDR6 memory, while video card XFX Radeon RX 590 Fatboy 8GB runs at 2.200 GHz+ 7 % base clock speed and has 8 GB of GDDR5 memory. The weight is different, 785 g 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.