Comparison of MSI Radeon RX 6600 XT MECH 2X 8G OCV1 video card vs MSI GeForce RTX 3060 GAMING 12G video card by specifications and benchmarks. MSI Radeon RX 6600 XT MECH 2X 8G OCV1 runs at 1.968 GHz base clock speed and has 8 GB of GDDR6 memory, while video card MSI GeForce RTX 3060 GAMING 12G runs at 1.320 GHz base clock speed and has 12 GB of GDDR6 memory. The TDP of the first video card is 160 W, and the second is 170 W. Compare the table of benchmark results to find out which graphic card is better.