Comparison of ASUS Dual Radeon RX 5500 XT OC Evo 4G video card vs XFX Radeon RX Vega 64 Silver Fan video card by specifications and benchmarks. ASUS Dual Radeon RX 5500 XT OC Evo 4G runs at 1.607 GHz base clock speed and has 4 GB of GDDR6 memory, while video card XFX Radeon RX Vega 64 Silver Fan runs at 1.247 GHz base clock speed and has 8 GB of HBM2 memory. The TDP of the first video card is 130 W, and the second is 295 W. Compare the table of benchmark results to find out which graphic card is better.