It's ... different.
left - German BD
right - caps from blu-ray.com
It seems that Tobis applied some noise reduction and color boost filters.
The bitrate however is healthy with an average of 24.00 Mbps:
btw it looks like "way more extras", but most of it is EPK stuff with a few minutes runtime (dubbed in German too).
The only essential additional bonus material are the Berlinale press conference (35 min in English) and 8 minutes of uncommented B-Roll footage.