Having the appearance of judder and visible tearing in a Call of Duty game is disappointing, and on the PS4 at least we get the feeling that things simply aren't optimised quite as well as they should be - something that is clear from the resolution error and juddering issues in the unpatched retail build. However, in fairness these issues do affect both platforms at times, with a later mission set in detail-rich jungle environments seeing the level of smoothness compromised on a frequent basis. The Xbox One game recovers more quickly, restoring the desired 60fps response for longer periods, but neither platform delivers the faultless update we would expect from the series.
So, it's there. Just depends on where you are, etc.
Moving onto online multiplayer, this aspect of the game appears to be more stable across both consoles. There are no dramatic set-pieces on offer here, and the showcase environmental destruction takes a back seat to more static locations where players create their own spectacle in the form of well-placed head shots and sneaky close quarters melee takedowns. In fact, we didn't notice any obvious drops in frame-rate at all where the Xbox One version of the game is concerned, with the solid 60fps update producing smooth, judder-free gameplay and crisp controls.
The experience isn't quite as consistent on the PS4, with short bouts of slowdown and judder sometimes cropping up throughout matches due to the appearance of torn and dropped frames. While the judder this causes is distracting at times, the effects appear to be reduced over the pre-patched version of the game, so these issues never completely ruin the overall flow of play even though they're annoying. On the plus side, it's much easier to pick out distant targets on the PS4 due to the native 1080p presentation, where fine details are better resolved compared to the Xbox One's lower-resolution image.