Both Nikon D3400 and Nikon D3200 have 24.0 MP resolution sensors but Nikon D3400's sensor is APS-C (23.5 x 15.6 mm ) and Nikon D3200's sensor is APS-C (23.2 x 15.4 mm ).
Since Nikon D3400's has a larger sensor area with the same resolution, this means that it also has a larger pixel area hence better light collecting capacity for a given aperture compared to Nikon D3200.
Another difference between these two cameras is that Nikon D3400's sensor lacks anti-alias (Low-Pass) filter. Removing anti-alias filter increases the sharpness and level of detail but at the same time, it increases the chance of moiré occurring in certain scenes.
Below you can see the D3400 and D3200 sensor size comparison.
Nikon D3400 and Nikon D3200 have almost the same sensor size, so neither of them has any significant advantage over the other in terms of providing control over depth of field when used with the same focal length and aperture.
DxOMark Sensor Scores
Both Nikon D3400 and Nikon D3200 sensors have been tested by DxoMark. DxoMark scores camera sensors for color depth (DXO Portrait), dynamic range (DXO Landscape) and low-light sensitivity (DXO Sports), and also gives them an overall score. Of the two cameras that we are comparing, D3400 has scored 86, 5 points higher than D3200.
Model |
Overall |
Color Depth |
Dynamic Range |
Low-light ISO |
Nikon D3400 |
86 |
24.8 bits |
13.9 Evs |
1192 ISO |
Nikon D3200 |
81 |
24.1 bits |
13.2 Evs |
1131 ISO |