Comparison of MSI GeForce RTX 2080 Duke 8G OC video card vs MSI GeForce RTX 3080 SUPRIM X 12G LHR video card by specifications and benchmarks. MSI GeForce RTX 2080 Duke 8G OC runs at 1.515 GHz base clock speed and has 8 GB of GDDR6 memory, while video card MSI GeForce RTX 3080 SUPRIM X 12G LHR runs at 1.260 GHz base clock speed and has 12 GB of GDDR6X memory. The TDP of the first video card is 245 W+ 14 %, and the second is 390 W+ 11 %. Compare the table of benchmark results to find out which graphic card is better.