Comparison of ASUS Radeon RX Vega 56 video card vs GALAX GeForce RTX 2080 OC White video card by specifications and benchmarks. ASUS Radeon RX Vega 56 runs at 1.156 GHz base clock speed and has 8 GB of HBM2 memory, while video card GALAX GeForce RTX 2080 OC White runs at 1.515 GHz base clock speed and has 8 GB of GDDR6 memory. The TDP of the first video card is 210 W, and the second is 215 W. Compare the table of benchmark results to find out which graphic card is better.