Comparison of GIGABYTE Radeon RX 6900 XT Gaming OC 16G video card vs MSI GeForce GTX 1080 Ti Founders Edition video card by specifications and benchmarks. GIGABYTE Radeon RX 6900 XT Gaming OC 16G runs at 1.875 GHz+ 3 % base clock speed and has 16 GB of GDDR6 memory, while video card MSI GeForce GTX 1080 Ti Founders Edition runs at 1.480 GHz base clock speed and has 11 GB of GDDR5X memory. The TDP of the first video card is 340 W+ 13 %, and the second is 250 W. Compare the table of benchmark results to find out which graphic card is better.