Comparison of GIGABYTE GeForce RTX 2070 GAMING OC 3X 8G video card vs EVGA GeForce RTX 3090 XC3 BLACK GAMING video card by specifications and benchmarks. GIGABYTE GeForce RTX 2070 GAMING OC 3X 8G runs at 1.410 GHz base clock speed and has 8 GB of GDDR6 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 175 W, and the second is 350 W. Compare the table of benchmark results to find out which graphic card is better.