In both, humans have sinned, so to fix the problem the gods flood the world to wipe humankind as way to purify and start new. The flood story of Gilgamesh, Utnapishtim was told by the Ea, just like Noah heard it from God or otherwise known as Yahweh (Christianity). Both of them gathered as many creatures as possible to repopulate the Earth. One difference is that iit took six days and seven nights for Utnapishtim, while in Genesis it took 40 days and 40 nights. In conclusion both are very similar because the flood was the reset button of both
In both, humans have sinned, so to fix the problem the gods flood the world to wipe humankind as way to purify and start new. The flood story of Gilgamesh, Utnapishtim was told by the Ea, just like Noah heard it from God or otherwise known as Yahweh (Christianity). Both of them gathered as many creatures as possible to repopulate the Earth. One difference is that iit took six days and seven nights for Utnapishtim, while in Genesis it took 40 days and 40 nights. In conclusion both are very similar because the flood was the reset button of both