Comparison of MSI Radeon RX 6900 XT Gaming Z Trio 16G video card vs Gainward GeForce RTX 3070 Phoenix GS video card by specifications 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 Gainward GeForce RTX 3070 Phoenix GS runs at 1.500 GHz base clock speed and has 8 GB of GDDR6 memory. The TDP of the first video card is 300 W, and the second is 240 W+ 9 %. Compare the table of benchmark results to find out which graphic card is better.