Comparison of MSI Radeon RX 6600 XT MECH 2X 8G V1 video card vs Colorful iGame GeForce RTX 3080 Ultra W OC 10G LHR-V 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 Colorful iGame GeForce RTX 3080 Ultra W OC 10G LHR-V runs at 1.440 GHz base clock speed and has 10 GB of GDDR6X memory. The TDP of the first video card is 160 W, and the second is 340 W+ 6 %. Compare the table of benchmark results to find out which graphic card is better.