Comparison of XFX Radeon RX Vega 56 video card vs PNY GeForce RTX 2080 8GB Blower video card by specifications and benchmarks. XFX Radeon RX Vega 56 runs at 1.156 GHz base clock speed and has 8 GB of HBM2 memory, while video card PNY GeForce RTX 2080 8GB Blower 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.