Comparison of KFA2 GeForce GTX 1080 Ti video card vs EVGA GeForce RTX 3080 XC3 Ultra Gaming video card by specifications and benchmarks. KFA2 GeForce GTX 1080 Ti runs at 1.480 GHz base clock speed and has 11 GB of GDDR5X memory, while video card EVGA GeForce RTX 3080 XC3 Ultra Gaming runs at 1.440 GHz base clock speed and has 10 GB of GDDR6X memory. The TDP of the first video card is 250 W, and the second is 320 W. Compare the table of benchmark results to find out which graphic card is better.