Comparison of GIGABYTE GeForce RTX 3080 Ti Gaming OC 12G video card vs MSI GeForce RTX 3090 Ventus 3X 24G video card by specifications and benchmarks. GIGABYTE GeForce RTX 3080 Ti Gaming OC 12G runs at 1.365 GHz base clock speed and has 12 GB of GDDR6X memory, while video card MSI GeForce RTX 3090 Ventus 3X 24G runs at 1.395 GHz base clock speed and has 24 GB of GDDR6X memory. The TDP of the first video card is 350 W, and the second is 350 W. Compare the table of benchmark results to find out which graphic card is better.