Ce lo mostra un video di Digital Foundry, dove si vede la versione pre-patch che arranca alla grande col framerate:

Fonti:
http://www.eurogamer.net/articles/digitalfoundry-2014-the-prepatch-evil-within-we-hope-you-will-never-play
http://www.vg247.com/2014/10/22/the-evil-within-was-borderline-unplayable-before-the-day-one-patch/