Both Nikon D5200 and Canon 750D have 24.0 MP resolution sensors but Nikon D5200's sensor is APS-C (23.5 x 15.6 mm ) and Canon 750D's sensor is APS-C (22.3 x 14.9 mm ).
Since Nikon D5200'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 Canon 750D.
Below you can see the D5200 and 750D sensor size comparison.
As seen above, Nikon D5200 has a 1.1x Larger sensor area than Canon 750D. Larger sensors give photographer more control on the depth of field and blurry background compared to smaller sensor when shot in same focal length and aperture.
DxOMark Sensor Scores
Both Nikon D5200 and Canon 750D 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, D5200 has scored 84, 13 points higher than 750D.
Model |
Overall |
Color Depth |
Dynamic Range |
Low-light ISO |
Nikon D5200 |
84 |
24.2 bits |
13.9 Evs |
1284 ISO |
Canon 750D |
71 |
22.7 bits |
12.0 Evs |
919 ISO |