Comparison of PowerColor Radeon RX 5700 XT (Radial Fan) video card vs ASUS Radeon RX Vega 64 video card by specifications and benchmarks. PowerColor Radeon RX 5700 XT (Radial Fan) runs at 1.605 GHz base clock speed and has 8 GB of GDDR6 memory, while video card ASUS Radeon RX Vega 64 runs at 1.247 GHz base clock speed and has 8 GB of HBM2 memory. The TDP of the first video card is 225 W, and the second is 295 W. Compare the table of benchmark results to find out which graphic card is better.