Comparison of MSI Radeon RX 6600 MECH 2X 8G video card vs Colorful iGame GeForce GTX 1080 Vulcan X-V video card by specifications and benchmarks. MSI Radeon RX 6600 MECH 2X 8G runs at 1.626 GHz base clock speed and has 8 GB of GDDR6 memory, while video card Colorful iGame GeForce GTX 1080 Vulcan X-V runs at 1.607 GHz base clock speed and has 8 GB of GDDR5X memory. The TDP of the first video card is 132 W, and the second is 180 W. Compare the table of benchmark results to find out which graphic card is better.