Comparison of MSI Radeon RX 6600 XT MECH 2X 8G V1 video card vs Gainward GeForce RTX 3070 Phantom+ GS LHR video card by specifications and benchmarks. MSI Radeon RX 6600 XT MECH 2X 8G V1 runs at 1.968 GHz base clock speed and has 8 GB of GDDR6 memory, while video card Gainward GeForce RTX 3070 Phantom+ GS LHR runs at 1.500 GHz base clock speed and has 8 GB of GDDR6 memory. The TDP of the first video card is 160 W, and the second is 270 W+ 23 %. Compare the table of benchmark results to find out which graphic card is better.