Comparison of KFA2 GeForce GTX 1080 Ti EX OC video card vs Gainward GeForce RTX 3080 12GB Phoenix GS video card by specifications and benchmarks. KFA2 GeForce GTX 1080 Ti EX OC runs at 1.531 GHz+ 3 % base clock speed and has 11 GB of GDDR5X memory, while video card Gainward GeForce RTX 3080 12GB Phoenix GS runs at 1.260 GHz base clock speed and has 12 GB of GDDR6X memory. The TDP of the first video card is 250 W, and the second is 350 W. Compare the table of benchmark results to find out which graphic card is better.