They've issued an update:
Update 2/3/14 17:45 GMT: On closer inspection, we see parallax occlusion mapping used sparingly on PS4 and PC in the The City hub area, which adds texture extrusions over the Xbox One release. For a majority of surfaces this effect is avoided entirely across all platforms, and for others it's subtle. The most notable contrast is to the centre road brick-work of Stonemarket, though texture quality is identical for any surfaces surrounding it. It's a curious point in favour of the PS4 version in a comparison that is already close - though as documented, its blurrier texture filtering is a trade-off that is worth considering. This is also a separate issue to tessellation - which is engaged on all platforms. We can also confirm both versions are fully installed before starting this test, as with all Face-Offs where the option is available. We hope this clears up any confusion.
Bizzarely, it seems they're still claiming trilinear filtering which makes no sense.
