Comparison of GIGABYTE GeForce GTX 1080 D5X 8G video card vs EVGA GeForce RTX 3080 12GB XC3 ULTRA GAMING video card by specifications and benchmarks. GIGABYTE GeForce GTX 1080 D5X 8G runs at 1.607 GHz base clock speed and has 8 GB of GDDR5X memory, while video card EVGA GeForce RTX 3080 12GB XC3 ULTRA GAMING runs at 1.260 GHz base clock speed and has 12 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.