There are frequent noticeable dips in the open environments, and sometimes during combat. (zam.com)
The game runs at a constant 30 FPS for most of the time on both formats, with most dips in frame - rate being almost negligible on the 360 — commonly, we're talking about a two frame drop at the very worst in most cases, whereas on the PS3 there can be a few noticeable dips. (tech-gaming.com)
Additionally, the PlayStation 4 version has a handful of noticeable dips in its frame rate. (giantbomb.com)