Below you can see the front view size comparison of Nikon 1 V3 and Nikon D800E. Nikon 1 V3 is clearly the smaller of the two cameras. Its body is 35mm narrower, 58mm shorter and 49mm thinner than Nikon D800E.
Nikon 1 V3 vs Nikon D800E - Front View
Nikon 1 V3 vs Nikon D800E - Top View
The chart below depicts how two cameras compare with average dimensions of the cameras in their class.
Camera Size Comparison
Select Two Cameras for Size Comparison