Comparison of ASRock Phantom Gaming X Radeon RX Vega 56 video card vs ZOTAC Gaming GeForce RTX 3070 AMP Holo 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 ZOTAC Gaming GeForce RTX 3070 AMP Holo runs at 1.500 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 240 W+ 9 %. Compare the table of benchmark results to find out which graphic card is better.