Panasonic GH6 vs Sony A7S III

On this page, we are reviewing the Panasonic GH6 versus Sony A7S III, both Pro Mirrorless digital cameras by rivals Panasonic and Sony. There exists a sizable gap between the image resolutions of the GH6 (25MP) and A7S III (12MP) and the GH6 (Four Thirds) and A7S III (Full frame) posses totally different sensor measurements.

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The GH6 was brought out 20 months after the A7S III making them a generation away from one another. Both the cameras have the same body design (SLR-style mirrorless).

Before getting into a more detailed comparison, here is a brief synopsis of how the GH6 matches up versus the A7S III when it comes to portability, imaging, features and an overall score.

Here is a sample of the gallery pics for Panasonic Lumix DC-GH6 & Sony Alpha A7S III. The entire galleries are available at Panasonic GH6 Gallery & Sony A7S III Gallery.

For those who are going to carry around your camera often, you will want to factor in its weight and size. The Panasonic GH6 has got physical dimensions of 139mm x 100mm x 100mm (5.5" x 3.9" x 3.9") having a weight of 823 grams (1.81 lbs) whilst the Sony A7S III has specifications of 129mm x 97mm x 81mm (5.1" x 3.8" x 3.2") with a weight of 699 grams (1.54 lbs).

Take a look at the Panasonic GH6 versus Sony A7S III in our brand new Camera & Lens Size Comparison Tool.

Do not forget, the weight of an ILC will vary depending on the lens you are working with at the time. Underneath is a front view size comparison of the GH6 versus the A7S III.

Considering dimensions and weight, the portability rating of the GH6 and A7S III is 56 and 61 respectively.

More often than not, it's difficult to envision the contrast between sensor sizes merely by reading through technical specs. The image here might provide you a better sense of the sensor dimensions in the GH6 and A7S III.

As you have seen, both the cameras provide different megapixels and different sensor sizes. The GH6 featuring a tinier sensor will make achieving shallower DOF harder and the Panasonic GH6 will give you more detail having its extra 13 Megapixels. Greater resolution can also make it easier to crop images more aggressively. The fresher GH6 will have an advantage when it comes to sensor tech.