Canon G3 X has a
20.0MP 1″ (13.2 x 8.8 mm ) sized BSI-CMOS sensor and features DIGIC 6 processor. On the other hand, Panasonic FZ70 has a
16.0MP 1/2.3-inch (6.17 x 4.55 mm ) sized CMOS sensor and features Venus Engine processor.
Below you can see the G3 X and FZ70 sensor size comparison.
As seen above, Canon G3 X has a 4.1x Larger sensor area than Panasonic FZ70. 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 G3 X and Panasonic FZ70 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, G3 X has scored 63, 22 points higher than FZ70.
Model |
Overall |
Color Depth |
Dynamic Range |
Low-light ISO |
Canon G3 X |
63 |
21.4 bits |
12.3 Evs |
521 ISO |
Panasonic FZ70 |
41 |
19.4 bits |
10.8 Evs |
171 ISO |