Comparison of MSI Radeon RX 6600 XT MECH 2X 8G V1 video card vs Colorful iGame GeForce GTX 1080 Ti Neptune W-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 GTX 1080 Ti Neptune W-V runs at 1.480 GHz base clock speed and has 11 GB of GDDR5X memory. The TDP of the first video card is 160 W, and the second is 250 W. Compare the table of benchmark results to find out which graphic card is better.