Comparison of XFX Radeon RX 590 Fatboy 8GB video card vs Intel Arc A770 Graphics 16GB video card by specs and benchmarks. XFX Radeon RX 590 Fatboy 8GB runs at 1.469 GHz base clock speed and has 8 GB of GDDR5 memory, while video card Intel Arc A770 Graphics 16GB runs at 1.469 GHz base clock speed and has 16 GB of GDDR6 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.