Compared are the Special Edition (=Theatrical Cut) and the Extended Special Edition. Thanks to Seamless Branching, the chapters are added and replaced in the Extended Version.
The Extended Versions runs approx. 62 sec longer. The Extended Version includes a further plot scene. As a result some minor plotholes disappear.
1:37:55-1:39:10 (Time index Extended SE)
Duration: Extended SE 62 sec longer than the Theatrical Cut.