Comparison of Sapphire Radeon RX 5700 XT 8G video card vs GIGABYTE AORUS GeForce RTX 3080 GAMING OC 12G video card by specifications and benchmarks. Sapphire Radeon RX 5700 XT 8G runs at 1.605 GHz base clock speed and has 8 GB of GDDR6 memory, while video card GIGABYTE AORUS GeForce RTX 3080 GAMING OC 12G runs at 1.260 GHz base clock speed and has 12 GB of GDDR6X memory. The TDP of the first video card is 225 W, and the second is 350 W. Compare the table of benchmark results to find out which graphic card is better.