Comparison of EVGA GeForce GTX 1080 GAMING video card vs EVGA GeForce RTX 3090 XC3 ULTRA GAMING video card by specifications and benchmarks. EVGA GeForce GTX 1080 GAMING runs at 1.607 GHz base clock speed and has 8 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 180 W, and the second is 350 W. Compare the table of benchmark results to find out which graphic card is better.