Sony NEX-7 vs Panasonic GH3, Take a look at specification Comparison review below and Some High ISO Images are also attached.
Sony NEX 7 have better sensor: Panasonic GH3 have a small M 4/3 format sensor and NEX7 have large APS-C sensor, the ISO range of NEX 7 is high compared to the Panasonic GH3.
More frame rates With Pansonic GH3 you get bit better video recording options and frame rates, Fully articulated touch LCD and vast amount of M4/3 lenses.
On the other specification side we have Panasonic GH3 comes with a built-in GPS and Rugged body, Sony NEX 7 is missing it.
Sony NEX 7 comes with in Camera HDR, panoramas and 3D capture option, Panasonic GH3 missing all these features.
Sony NEX7 is light-weight and small compared to Panasonic GH3.
In High ISO test Sony NEX 7 Images have less noise and more details compared to Panasonic GH3, and you get more resolution and dynamic with large APS-C sensor.
Conclusion: We highly recommend Sony NEX 7 for still shooters.
High ISO Image credit: focus-numerique