These are displacement tests rendered with Solid Angle's Arnold v4.0.11
There is one light and one mesh, that's displaced with one 6k texture
Please keep in mind that 256mb of memory is accounted for the 6k texture alone :)
The export time of the scene from Softimage 2013 to Arnold took 0.23 seconds for each image

Here are the variation stats per image:

Image 1: Subdivision 1, AutoBump ON
Image 2: Subdivision 2, AutoBump ON
Image 3: Subdivision 3, AutoBump ON
Image 4: Subdivision 4, AutoBump ON
Image 5: Subdivision 1, AutoBump OFF
Image 6: Subdivision 2, AutoBump OFF
Image 7: Subdivision 3, AutoBump OFF
Image 8: Subdivision 4, AutoBump OFF
Image 9: Subdivision 5, AutoBump OFF


1.

01

2.

01

3.

01

4.

01

5.

01

6.

01

7.

01

8.

01

9.

01