Comparison of MSI Radeon RX 6900 XT Gaming Z Trio 16G video card vs NVIDIA RTX A6000 video card by specs and benchmarks. MSI Radeon RX 6900 XT Gaming Z Trio 16G runs at 1.925 GHz+ 5 % base clock speed and has 16 GB of GDDR6 memory, while video card NVIDIA RTX A6000 runs at 1.925 GHz+ 5 % base clock speed and has 48 GB of GDDR6 memory. The weight is different, 1581 g 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.