Comparison of GIGABYTE AORUS GeForce RTX 3080 GAMING OC 12G video card vs MSI GeForce RTX 3090 AERO 24G video card by specs and benchmarks. GIGABYTE AORUS GeForce RTX 3080 GAMING OC 12G runs at 1.260 GHz base clock speed and has 12 GB of GDDR6X memory, while video card MSI GeForce RTX 3090 AERO 24G runs at 1.260 GHz base clock speed and has 24 GB of GDDR6X memory. The weight is different, -- vs --. The TDP of the first video card is 350 W, and the second is 350 W . Compare the benchmark results to find out which video card is better.