Compared are the UK DVD by Universal and the HK DVD by EDKO Films.
The UK DVD of Curse of the Golden Flower is listed uncut in the BBFC database. Nonetheless a shot of a tumbling horse has been removed. This scene was removed for theaters and due to the fact that there was nothing else to expect for the DVD release, the same version was given to the BBFC to get a rating for the DVD release.
Moreover the image section is different in some scenes, three examples can be found in this comparison. Even though there are some more differences, it's not being mentioned because it's too trivial.
Comparison of the image:
The UK DVD begins with the Universal and Focus Features logos.
UK: 37 sec
In the UK Version, the date pops up, additionally to the title.
A shot of the imperial medicine being prepared after the three brothers' gathering. The image section of this shot is different until the shot of Chan (Li Man) from the front.
The same with the dialog between the emperor (Chow Yun Fat) and his first son (Liu Ye).
Another example for a slightly different image section. The doctor's wife (Chen Jin) on her way to her daughter's room.
Now the scene with the new governor which has been complained about by the BBFC. On the run, the fugitives' horses are being taken down with some ropes by the attackers.
The credits on the UK DVD also contain the Focus Features logo.
UK: 251 sec
HK: 250.5 sec