Comparison of MSI Radeon RX 5500 XT Mech 8G OC video card vs GALAX GeForce RTX 3080 Ti SG (1-Click OC) video card by specifications and benchmarks. MSI Radeon RX 5500 XT Mech 8G OC runs at 1.647 GHz+ 2 % base clock speed and has 8 GB of GDDR6 memory, while video card GALAX GeForce RTX 3080 Ti SG (1-Click OC) runs at 1.365 GHz base clock speed and has 12 GB of GDDR6X memory. The TDP of the first video card is 130 W, and the second is 350 W. Compare the table of benchmark results to find out which graphic card is better.