Both Panasonic G2 and Panasonic GF3 have Four Thirds sized 12.0 MP resolution sensors so sensor size and resolution is not a differentiator between these two cameras.
Below you can see the G2 and GF3 sensor size comparison.
Panasonic G2 and Panasonic GF3 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
Both Panasonic G2 and Panasonic GF3 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, G2 has scored 53, 3 points higher than GF3.
Model |
Overall |
Color Depth |
Dynamic Range |
Low-light ISO |
Panasonic G2 |
53 |
21.2 bits |
10.3 Evs |
493 ISO |
Panasonic GF3 |
50 |
20.6 bits |
10.1 Evs |
459 ISO |