Comparison of MSI Radeon RX 6700 XT MECH 2X 12G video card vs Gainward GeForce RTX 3070 Phoenix GS video card by specifications and benchmarks. MSI Radeon RX 6700 XT MECH 2X 12G runs at 2.321 GHz base clock speed and has 12 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 230 W, and the second is 240 W+ 9 %. Compare the table of benchmark results to find out which graphic card is better.