Sony A58 has a
20.0MP APS-C (23.2 x 15.4 m ) sized CMOS sensor . On the other hand, Panasonic GH4 has a
16.0MP Four Thirds (17.3 x 13 mm ) sized CMOS sensor and features Venus Engine IX processor.
Below you can see the A58 and GH4 sensor size comparison.
As seen above, Sony A58 has a 1.5x Larger sensor area than Panasonic GH4. 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
At Camera Decision, we also look at Dxo Mark sensors when available as we think it is a good indicator of image quality.
Model |
Overall |
Color Depth |
Dynamic Range |
Low-light ISO |
Sony A58 |
74 |
23.3 bits |
12.5 Evs |
753 ISO |
Panasonic GH4 |
74 |
23.2 bits |
12.8 Evs |
791 ISO |