Comparison of MSI Radeon RX 6600 MECH 2X 8G video card vs PNY GeForce RTX 2080 Ti Blower 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 PNY GeForce RTX 2080 Ti Blower runs at 1.350 GHz base clock speed and has 11 GB of GDDR6 memory. The TDP of the first video card is 132 W, and the second is 250 W. Compare the table of benchmark results to find out which graphic card is better.