Comparison of Gainward GeForce RTX 2080 Phantom GS video card vs MSI GeForce RTX 3080 VENTUS 3X 10G video card by specifications and benchmarks. Gainward GeForce RTX 2080 Phantom GS runs at 1.515 GHz base clock speed and has 8 GB of GDDR6 memory, while video card MSI GeForce RTX 3080 VENTUS 3X 10G runs at 1.440 GHz base clock speed and has 10 GB of GDDR6X memory. The TDP of the first video card is 215 W, and the second is 320 W. Compare the table of benchmark results to find out which graphic card is better.