Comparison of MSI Radeon RX 6700 XT MECH 2X 12G video card vs KFA2 GeForce RTX 3080 12GB SG (1-Click OC) LHR 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 KFA2 GeForce RTX 3080 12GB SG (1-Click OC) LHR runs at 1.260 GHz base clock speed and has 12 GB of GDDR6X memory. The TDP of the first video card is 230 W, and the second is 350 W. Compare the table of benchmark results to find out which graphic card is better.