Comparison of GIGABYTE GeForce GTX 1080 Ti Gaming OC 11G video card vs EVGA GeForce RTX 3090 XC3 BLACK GAMING video card by specifications and benchmarks. GIGABYTE GeForce GTX 1080 Ti Gaming OC 11G runs at 1.518 GHz+ 3 % base clock speed and has 11 GB of GDDR5X memory, while video card EVGA GeForce RTX 3090 XC3 BLACK GAMING runs at 1.395 GHz base clock speed and has 24 GB of GDDR6X memory. The TDP of the first video card is 280 W+ 12 %, and the second is 350 W. Compare the table of benchmark results to find out which graphic card is better.