Comparison of Gainward GeForce GTX 1080 Phoenix video card vs GIGABYTE AORUS GeForce RTX 3090 XTREME 24G video card by specifications and benchmarks. Gainward GeForce GTX 1080 Phoenix runs at 1.607 GHz base clock speed and has 8 GB of GDDR5X memory, while video card GIGABYTE AORUS GeForce RTX 3090 XTREME 24G runs at 1.395 GHz base clock speed and has 24 GB of GDDR6X memory. The TDP of the first video card is 180 W, and the second is 400 W+ 14 %. Compare the table of benchmark results to find out which graphic card is better.