Comparison of GIGABYTE Radeon RX 6700 XT GAMING OC 12G video card vs Gainward GeForce RTX 3080 12GB Phantom video card by specifications and benchmarks. GIGABYTE Radeon RX 6700 XT GAMING OC 12G runs at 2.321 GHz base clock speed and has 12 GB of GDDR6 memory, while video card Gainward GeForce RTX 3080 12GB Phantom runs at 1.260 GHz base clock speed and has 12 GB of GDDR6X memory. The TDP of the first video card is 230 W, and the second is 350 W. Compare the table of benchmark results to find out which graphic card is better.