Comparison of GIGABYTE AORUS GeForce GTX 1080 8G video card vs KFA2 GeForce RTX 3090 HOF Premium video card by specifications and benchmarks. GIGABYTE AORUS GeForce GTX 1080 8G runs at 1.708 GHz+ 6 % base clock speed and has 8 GB of GDDR5X memory, while video card KFA2 GeForce RTX 3090 HOF Premium 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 420 W+ 20 %. Compare the table of benchmark results to find out which graphic card is better.