Comparison of ASRock Phantom Gaming X Radeon VII 16G video card vs PNY RTX A6000 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 PNY RTX A6000 runs at 1.400 GHz base clock speed and has 48 GB of GDDR6 memory. The weight is different, -- vs --. 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.