Canon 5D MIII has a
22.0MP Full frame (36 x 24 mm ) sized CMOS sensor and features Digic 5+ processor. On the other hand, Canon 7D MII has a
20.0MP APS-C (22.4 x 15 mm ) sized CMOS sensor and features DIGIC 6 (dual) processor.
Below you can see the 5D MIII and 7D MII sensor size comparison.
As seen above, Canon 5D MIII has a 2.6x Larger sensor area than Canon 7D MII. 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 Canon 5D MIII and Canon 7D MII 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, 5D MIII has scored 81, 11 points higher than 7D MII.
Model |
Overall |
Color Depth |
Dynamic Range |
Low-light ISO |
Canon 5D MIII |
81 |
24.0 bits |
11.7 Evs |
2293 ISO |
Canon 7D MII |
70 |
22.4 bits |
11.8 Evs |
1082 ISO |