Below you can see the front view size comparison of Nikon D3300 and Nikon D3200. Nikon D3300 is 1mm narrower and 1mm thinner than Nikon D3200 but it is also 2mm taller.
Nikon D3300 vs Nikon D3200 - Front View
Nikon D3300 vs Nikon D3200 - Top View
The chart below depicts how two cameras compare with average dimensions of the cameras in their class.
Camera Size Comparison
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