Comparison of Gainward GeForce GTX 1080 Ti GS video card vs MSI Radeon RX 6500 XT MECH 2X 4G OC video card by specifications and benchmarks. Gainward GeForce GTX 1080 Ti GS runs at 1.506 GHz+ 2 % base clock speed and has 11 GB of GDDR5X memory, while video card MSI Radeon RX 6500 XT MECH 2X 4G OC runs at 2.200 GHz base clock speed and has 4 GB of GDDR6 memory. The TDP of the first video card is 250 W, and the second is 107 W. Compare the table of benchmark results to find out which graphic card is better.