Comparison of MSI Radeon RX 6600 XT MECH 2X 8G OC video card vs ASUS ROG Strix GeForce RTX 3070 Ti video card by specifications and benchmarks. MSI Radeon RX 6600 XT MECH 2X 8G OC runs at 1.968 GHz base clock speed and has 8 GB of GDDR6 memory, while video card ASUS ROG Strix GeForce RTX 3070 Ti runs at 1.580 GHz base clock speed and has 8 GB of GDDR6X memory. The TDP of the first video card is 160 W, and the second is 290 W. Compare the table of benchmark results to find out which graphic card is better.