Senior Producer on the console version of Diablo 3, Julia Humphreys, confirmed that the game will run at 900p on Xbox One; the PS4 version had previously been confirmed to run natively at 1080p. Both versions will run at 60 frames per second.
"We're prioritizing frame rate," Humphreys said regarding the quality difference.
Diablo 3: Ultimate Evil Edition is coming to the Xbox One, PS4, Xbox 360 and PS3 on August 19.
Diablo 3 (E3 2013)