Comparison of XFX AMD Radeon RX 570 RS 8GB XXX Edition video card vs Sapphire Radeon VII video card by specifications and benchmarks. XFX AMD Radeon RX 570 RS 8GB XXX Edition runs at 1.168 GHz base clock speed and has 8 GB of GDDR5 memory, while video card Sapphire Radeon VII runs at 1.400 GHz base clock speed and has 16 GB of HBM2 memory. The TDP of the first video card is 150 W, and the second is 300 W. Compare the table of benchmark results to find out which graphic card is better.