Nikon D5300 has a
24.0MP APS-C (23.5 x 15.6 mm ) sized CMOS sensor and features Expeed 4 processor. On the other hand, Nikon D7500 has a
21.0MP APS-C (23.5 x 15.7 mm ) sized CMOS sensor and features Expeed 5 processor.
Another similarity between these two cameras is that both Nikon D7500 and Nikon D5300 sensors lack anti-alias (Low-Pass) filters. 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 D5300 and D7500 sensor size comparison.
Sensor Size and Resolution Comparison image of Nikon D5300 and Nikon D7500 Cameras
Nikon D5300 and Nikon D7500 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
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 D5300 and Nikon D7500 sensors have been tested by DxO and the results show that D7500 has a better overall score of 86, 3 points higher compared to D5300's score of 83.
Model
Overall
Color Depth
Dynamic Range
Low-light ISO
Nikon D5300
83
24.0 bits
13.9 Evs
1338 ISO
Nikon D7500
86
24.3 bits
14.0 Evs
1483 ISO
Sensor size sets the circle of confusion, so it drives how much depth of field each
of these bodies gives you at a given aperture. You can calculate it exactly for the
Nikon D5300
or the
Nikon D7500 ,
including hyperfocal distance.
