Overseasaviator,
(a) I presume that you are looking at two different operators' approaches to the same runway/airframe/engine/operating rules takeoff ? Not much good if we are comparing apples with oranges.
(b) Often there are multiple options available to the ops engineering assessment
(c) A lot will come down to the attitudes of flight management personnel and company/Type SOP philosophies.
(d) The observed difference may have a lot to do with different splay requirements .. ie with a narrower splay a curve might be feasible while a wider splay brings in a critical obstruction which makes the exercise a no-go...