Panasonic GH3 vs Sony A7R III

On this page, we will be contrasting the Panasonic GH3 vs Sony A7R III, one is a Advanced Mirrorless and the latter is a Pro Mirrorless by brands Panasonic and Sony. There exists a sizeable gap between the sensor resolutions of the GH3 (16MP) and A7R III (42MP) and the GH3 (Four Thirds) and A7R III (Full frame) provide different sensor sizing.

Photography Glossary

The GH3 was launched 6 years prior to the A7R III which is quite a large gap as far as technology is concerned. Each of the cameras have the same body design (SLR-style mirrorless).

Before getting into a full comparison, here is a brief view of how the GH3 scores versus the A7R III in regards to portability, imaging, features and an overall score.

The following is a preview of the gallery images for Panasonic Lumix DMC-GH3 and Sony Alpha A7R III. The complete galleries are available at Panasonic GH3 Gallery and Sony A7R III Gallery.

For those who are aiming to carry around your camera frequently, you're going to have to consider its weight and size. The Panasonic GH3 enjoys exterior dimensions 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 A7R III has specifications 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 GH3 vs Sony A7R III in the new Camera with Lens Size Comparison Tool.

Bear in mind, the weight of an Interchangeable Lens Camera will vary based on the lens you have attached at that time. Following is a front view scale comparison of the GH3 vs the A7R III.

Using dimensions and weight, the portability grade of the GH3 and A7R III is 66 and 63 respectively.

More often than not, it is difficult to imagine the difference between sensor sizes just by reading through specifications. The picture below should provide you a much better sense of the sensor dimensions in the GH3 and A7R III.

To sum up, both cameras provide different resolutions and different sensor sizes. The GH3 because of its tinier sensor is going to make getting shallow depth of field more challenging and the Sony A7R III will give you more detail utilizing its extra 26MP. Higher resolution will enable you to crop photographs more aggressively. The more aged GH3 is going to be behind with regard to sensor technology.