Comparison of MSI Radeon RX 6600 XT MECH 2X 8G video card vs GIGABYTE GeForce GTX 1060 Mini ITX 3G video card by specifications and benchmarks. MSI Radeon RX 6600 XT MECH 2X 8G runs at 1.968 GHz base clock speed and has 8 GB of GDDR6 memory, while video card GIGABYTE GeForce GTX 1060 Mini ITX 3G runs at 1.506 GHz base clock speed and has 3 GB of GDDR5 memory. The TDP of the first video card is 160 W, and the second is 120 W. Compare the table of benchmark results to find out which graphic card is better.