Panasonic GH6 vs Sony A7R III

Below, we will be comparing the Panasonic GH6 and Sony A7R III, both Pro Mirrorless digital cameras by companies Panasonic and Sony. There is a considerable difference between the sensor resolutions of the GH6 (25MP) and A7R III (42MP) and the GH6 (Four Thirds) and A7R III (Full frame) feature different sensor size.

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The GH6 was brought out 4 years after the A7R III which is quite a large difference as far as tech is concerned. Both of the cameras come with the identical body type (SLR-style mirrorless).

Before diving through a comprehensive comparison, below is a quick view of how the GH6 matches up vs the A7R III when considering portability, imaging, features and an overall mark.

Below is a preview of the gallery images for Panasonic Lumix DC-GH6 & Sony Alpha A7R III. The entire galleries are viewable at Panasonic GH6 Gallery & Sony A7R III Gallery.

When you are planning to travel with your camera regularly, you will need to think about its weight and measurements. The Panasonic GH6 features exterior measurements of 139mm x 100mm x 100mm (5.5" x 3.9" x 3.9") with a weight of 823 grams (1.81 lbs) while the Sony A7R III has proportions of 127mm x 96mm x 74mm (5.0" x 3.8" x 2.9") with a weight of 657 grams (1.45 lbs).

Examine the Panasonic GH6 and Sony A7R III in our newest Camera & Lens Size Comparison Tool.

Always remember, the weight of an ILC will change depending on the lens you have attached at that moment. Following is the front view dimension comparison of the GH6 compared to the A7R III.

Factoring in size and weight, the portability grade of the GH6 and A7R III is 56 and 63 respectively.

In many cases, it is very tough to imagine the contrast between sensor dimensions merely by reading a spec sheet. The picture here should give you a better sense of the sensor sizing in the GH6 and A7R III.

Clearly, both the cameras have got different megapixel count and different sensor dimensions. The GH6 due to its tinier sensor is going to make shooting bokeh more difficult and the Sony A7R III will offer extra detail having its extra 17 Megapixels. Higher resolution will make it easier to crop pictures much more aggressively. The younger GH6 should have an advantage in sensor tech.