I did this in Kitsu Saga and you could really tell a difference (screenies from there posted at the bottom), but here in Eden Eternal, there isn't that much of a difference between max and min (at least in my own opinion). So to all the people that are afraid they're missing something, here you go, the comparison:
Images taken at 1600x900 resolution
Max Graphics Settings, everything turned up and on, absolute best it can possibly be.
Min Graphics Settings, everything turned down and off, absolute lowest settings it can possibly be.
And here's the Kitsu Saga comparisons since I mentioned them: