Panasonic GF2 has a
12.0MP Four Thirds (17.3 x 13 mm ) sized CMOS sensor and features Venus Engine FHD processor. On the other hand, Panasonic GX1 has a
16.0MP Four Thirds (17.3 x 13 mm ) sized CMOS sensor and features Venus Engine FHD processor.
Below you can see the GF2 and GX1 sensor size comparison.
Sensor Size and Resolution Comparison image of Panasonic GF2 and Panasonic GX1 Cameras
Panasonic GF2 and Panasonic GX1 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. On the other hand, since Panasonic GF2 has 31% larger pixel area compared to Panasonic GX1, it has potential to collect more light on pixel level hence have less noise in low light / High ISO images.
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. Panasonic GF2 and Panasonic GX1 sensors have been tested by DxO and the results show that GX1 has a better overall score of 55, 1 points higher compared to GF2's score of 54.
Model
Overall
Color Depth
Dynamic Range
Low-light ISO
Panasonic GF2
54
21.2 bits
10.3 Evs
506 ISO
Panasonic GX1
55
20.8 bits
10.6 Evs
703 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
Panasonic GF2
or the
Panasonic GX1 ,
including hyperfocal distance.