Comparison of XFX Radeon RX 5700 DD Ultra video card vs ASUS ROG Strix Radeon RX Vega 64 OC Gaming video card by specifications and benchmarks. XFX Radeon RX 5700 DD Ultra runs at 1.565 GHz+ 7 % base clock speed and has 8 GB of GDDR6 memory, while video card ASUS ROG Strix Radeon RX Vega 64 OC Gaming runs at 1.298 GHz+ 4 % base clock speed and has 8 GB of HBM2 memory. The TDP of the first video card is 180 W, and the second is 295 W. Compare the table of benchmark results to find out which graphic card is better.