Comparison of MSI Radeon RX 6700 XT MECH 2X 12G video card vs GIGABYTE GeForce GTX 1660 TI GAMING OC 6G video card by specifications and benchmarks. MSI Radeon RX 6700 XT MECH 2X 12G runs at 2.321 GHz base clock speed and has 12 GB of GDDR6 memory, while video card GIGABYTE GeForce GTX 1660 TI GAMING OC 6G runs at 1.500 GHz base clock speed and has 6 GB of GDDR6 memory. The TDP of the first video card is 230 W, and the second is 120 W. Compare the table of benchmark results to find out which graphic card is better.