Nikon D5100 has a
16.0MP APS-C (23.6 x 15.7 mm ) sized CMOS sensor and features Expeed 2 processor. On the other hand, Canon G9 X II has a
20.0MP 1″ (13.2 x 8.8 mm ) sized BSI-CMOS sensor and features DIGIC 7 processor.
Below you can see the D5100 and G9 X II sensor size comparison.
As seen above, Nikon D5100 has a 3.2x Larger sensor area than Canon G9 X II. 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 D5100 and Canon G9 X II 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, D5100 has scored 80, 15 points higher than G9 X II.
Model |
Overall |
Color Depth |
Dynamic Range |
Low-light ISO |
Nikon D5100 |
80 |
23.5 bits |
13.6 Evs |
1183 ISO |
Canon G9 X II |
65 |
21.9 bits |
12.5 Evs |
522 ISO |