Comparison of XFX Radeon RX 5600 XT Thicc III Ultra video card vs ASUS Radeon RX Vega 56 video card by specifications and benchmarks. XFX Radeon RX 5600 XT Thicc III Ultra runs at 1.130 GHz base clock speed and has 6 GB of GDDR6 memory, while video card ASUS Radeon RX Vega 56 runs at 1.156 GHz base clock speed and has 8 GB of HBM2 memory. The TDP of the first video card is 160 W, and the second is 210 W. Compare the table of benchmark results to find out which graphic card is better.