Comparison of XFX AMD Radeon RX 570 RS 4GB XXX Edition video card vs ASUS AREZ Strix Radeon RX Vega 56 OC Gaming video card by specifications and benchmarks. XFX AMD Radeon RX 570 RS 4GB XXX Edition runs at 1.168 GHz base clock speed and has 4 GB of GDDR5 memory, while video card ASUS AREZ Strix Radeon RX Vega 56 OC Gaming runs at 1.297 GHz+ 12 % base clock speed and has 8 GB of HBM2 memory. The TDP of the first video card is 150 W, and the second is 300 W+ 43 %. Compare the table of benchmark results to find out which graphic card is better.