For a while ive been thinking about how eso will look on my ps4. That said take a look at the link I provide. Its comparing ff14 pc ultra settings to ps4. If zenimax can get anything close to this ill be stoked. You hardly tell a difference.
http://www.dualshockers.com/2014/02/17/final-fantasy-xiv-ps4-vs-pc-maximum-settings-direct-feed-screenshot-comparison-identical-twins/