Comparison of ASRock Phantom Gaming X Radeon VII 16G video card vs MSI Radeon RX 6800 XT Gaming Z Trio 16G video card by specs and benchmarks. ASRock Phantom Gaming X Radeon VII 16G runs at 1.400 GHz base clock speed and has 16 GB of HBM2 memory, while video card MSI Radeon RX 6800 XT Gaming Z Trio 16G runs at 1.400 GHz base clock speed and has 16 GB of GDDR6 memory. The weight is different, -- vs 1564 g. The TDP of the first video card is 300 W, and the second is 300 W . Compare the benchmark results to find out which video card is better.