Comparison of EVGA GeForce GTX 1080 Ti SC Hydro Copper GAMING video card vs EVGA GeForce RTX 3090 XC3 ULTRA GAMING video card by specifications and benchmarks. EVGA GeForce GTX 1080 Ti SC Hydro Copper GAMING runs at 1.556 GHz+ 5 % base clock speed and has 11 GB of GDDR5X memory, while video card EVGA GeForce RTX 3090 XC3 ULTRA GAMING runs at 1.395 GHz base clock speed and has 24 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.