Both Nikon D750 and Nikon D610 have Full frame sized 24.0 MP resolution sensors so sensor size and resolution is not a differentiator between these two cameras.
Below you can see the D750 and D610 sensor size comparison.
Nikon D750 and Nikon D610 have the same sensor sizes so they will provide same level of control over the depth of field when used with same focal length and aperture.
DxOMark Sensor Scores
DxOMark is a benchmark that scientifically assesses image quality of camera sensors. It 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. Nikon D750 and Nikon D610 sensors have been tested by DxO and the results show that D610 has a better overall score of 94, 1 points higher compared to D750's score of 93.
Model |
Overall |
Color Depth |
Dynamic Range |
Low-light ISO |
Nikon D750 |
93 |
24.8 bits |
14.5 Evs |
2956 ISO |
Nikon D610 |
94 |
25.1 bits |
14.4 Evs |
2925 ISO |