Panasonic GH3 vs Sony A7 III

Let's look a bit more closely at the Panasonic GH3 vs Sony A7 III, one is a Advanced Mirrorless and the latter is a Pro Mirrorless by companies Panasonic and Sony. There exists a huge gap between the resolutions of the GH3 (16MP) and A7 III (24MP) and the GH3 (Four Thirds) and A7 III (Full frame) offer totally different sensor sizing.

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The GH3 was launched 6 years before the A7 III which is quite a significant gap as far as technology is concerned. Both of the cameras feature the same body design (SLR-style mirrorless).

Before diving right into a step-by-step comparison, here is a short highlight of how the GH3 matches up versus the A7 III with regards to portability, imaging, features and an overall mark.

This is a preview of the gallery images for Panasonic Lumix DMC-GH3 and Sony Alpha A7 III. The complete galleries are provided at Panasonic GH3 Gallery and Sony A7 III Gallery.

For anyone who is planning to travel with your camera frequently, you will need to think about its weight and dimensions. The Panasonic GH3 has external measurements of 133mm x 93mm x 82mm (5.2" x 3.7" x 3.2") along with a weight of 550 grams (1.21 lbs) and the Sony A7 III has dimensions of 127mm x 96mm x 74mm (5.0" x 3.8" x 2.9") with a weight of 650 grams (1.43 lbs).

See the Panasonic GH3 vs Sony A7 III in the all new Camera with Lens Size Comparison Tool.

Do not forget, the weight of an Interchangeable Lens Camera will differ based on the lens you are using at that time. Underneath is a front view dimension comparison of the GH3 compared to the A7 III.

Taking into consideration dimensions and weight, the portability grade of the GH3 and A7 III is 66 and 63 respectively.

More often than not, it is very hard to envision the gap between sensor dimensions just by reading through a spec sheet. The pic here will help offer you a more clear sense of the sensor measurements in the GH3 and A7 III.

As you can see, both of the cameras come with different megapixels and different sensor dimensions. The GH3 featuring a tinier sensor will make getting bokeh more challenging and the Sony A7 III will give you extra detail utilizing its extra 8MP. Higher resolution will help you crop shots a good deal more aggressively. The more aged GH3 is going to be behind in sensor tech.