Panasonic GH3 vs Sony A7S

The following is a thorough overview of the Panasonic GH3 versus Sony A7S, former is a Advanced Mirrorless while the other is a Pro Mirrorless by manufacturers Panasonic and Sony. There is a noticeable difference among the resolutions of the GH3 (16MP) and A7S (12MP) and the GH3 (Four Thirds) and A7S (Full frame) have totally different sensor dimensions.

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The GH3 was brought out 18 months before the A7S making them a generation away from each other. Both the cameras have the same body design (SLR-style mirrorless).

Before we go into a detailed comparison, here is a concise highlight of how the GH3 scores vs the A7S when it comes to portability, imaging, features and an overall mark.

The following is a sample of the gallery pictures for Panasonic Lumix DMC-GH3 & Sony Alpha A7S. The entire galleries are available at Panasonic GH3 Gallery & Sony A7S Gallery.

For anyone who is going to travel with your camera often, you are going to need to consider its weight and dimensions. The Panasonic GH3 enjoys physical measurements of 133mm x 93mm x 82mm (5.2" x 3.7" x 3.2") and a weight of 550 grams (1.21 lbs) and the Sony A7S has dimensions of 127mm x 94mm x 48mm (5.0" x 3.7" x 1.9") along with a weight of 489 grams (1.08 lbs).

Take a look at the Panasonic GH3 versus Sony A7S in our completely new Camera & Lens Size Comparison Tool.

Remember, the weight of an ILC will vary depending on the lens you select at that moment. Following is a front view dimension comparison of the GH3 vs the A7S.

Using size and weight, the portability score of the GH3 and A7S is 66 and 77 respectively.

Often, it is very hard to see the gap in sensor dimensions merely by going through a spec sheet. The image here might give you a much better sense of the sensor sizing in the GH3 and A7S.

Clearly, each of the cameras have different megapixels and different sensor dimensions. The GH3 due to its smaller sensor will make shooting shallower DOF tougher and the Panasonic GH3 will provide greater detail having its extra 4MP. Greater resolution will also help you crop photos a bit more aggressively. The more aged GH3 will be behind with regard to sensor technology.