Comparison of MSI Radeon RX 6600 XT MECH 2X 8G OC video card vs KFA2 GeForce GTX 1070 Ti Red Edition video card by specifications and benchmarks. MSI Radeon RX 6600 XT MECH 2X 8G OC runs at 1.968 GHz base clock speed and has 8 GB of GDDR6 memory, while video card KFA2 GeForce GTX 1070 Ti Red Edition runs at 1.607 GHz base clock speed and has 8 GB of GDDR5 memory. The TDP of the first video card is 160 W, and the second is 180 W. Compare the table of benchmark results to find out which graphic card is better.