I didn't change the colour balance which for both cameras were "Auto W/b". Not sure why there was a slight reddish cast for the Zf, unless it picked up reflections of indoors lights in the window?
The D1X is left panel and Zf is right panel, so your assumption is correct,
As to the similary in details, which at first seemed a bit unexpected: both cameras have in fact an identical pixel pitch on the major axis approx. 168 pix/mm. The difference is for the minor axis where D1X is only 44% of the Zf in terms of pixel pitch, thus clearly inferior as far as maximum resolution is concerned. However, for nature scenes, this might not be as limiting as one would think since Nature rarely displays a fine-gridded pattern.