Comparison of ASRock Phantom Gaming X Radeon RX Vega 56 video card vs GALAX GeForce GT 1030 EX White DDR4 video card by specifications and benchmarks. ASRock Phantom Gaming X Radeon RX Vega 56 runs at 1.156 GHz base clock speed and has 8 GB of HBM2 memory, while video card GALAX GeForce GT 1030 EX White DDR4 runs at 1.151 GHz base clock speed and has 2 GB of DDR4 memory. The TDP of the first video card is 210 W, and the second is 30 W+ 50 %. Compare the table of benchmark results to find out which graphic card is better.