Panasonic GH3 vs Sony A6400

Below is a complete assessment of the Panasonic GH3 vs Sony A6400, both Advanced Mirrorless cameras by rivals Panasonic and Sony. There exists a noticeable gap among the sensor resolutions of the GH3 (16MP) and A6400 (24MP) and the GH3 (Four Thirds) and A6400 (APS-C) feature different sensor sizes.

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The GH3 was manufactured 7 years prior to the A6400 and that is a fairly sizable difference as far as camera technology is concerned. Each of the cameras offer different body type with the Panasonic GH3 being a SLR-style mirrorless camera and the Sony A6400 being a Rangefinder-style mirrorless camera.

Before we go through a more detailed comparison, below is a quick introduction of how the GH3 grades vs the A6400 in the way of portability, imaging, features and an overall grade.

Here is a preview of the gallery images for Panasonic Lumix DMC-GH3 & Sony Alpha a6400. The entire galleries are viewable at Panasonic GH3 Gallery & Sony A6400 Gallery.

If you are looking to lug around your camera, you need to take into account its weight and volume. The Panasonic GH3 comes with external measurements of 133mm x 93mm x 82mm (5.2" x 3.7" x 3.2") accompanied by a weight of 550 grams (1.21 lbs) whilst the Sony A6400 has sizing of 120mm x 67mm x 50mm (4.7" x 2.6" x 2.0") and a weight of 403 grams (0.89 lbs).

Contrast the Panasonic GH3 vs Sony A6400 in our brand new Camera & Lens Size Comparison Tool.

Bear in mind, the weight of an ILC will vary depending on the lens you are working with at the time. Here is the front view dimensions comparison of the GH3 and the A6400.

Taking into account dimensions and weight, the portability rating of the GH3 and A6400 is 66 and 83 respectively.

More often than not, it is very hard to visualize the contrast in sensor measurements just by going through technical specs. The visual here should give you a clearer sense of the sensor measurements in the GH3 and A6400.

As you have seen, both of these cameras offer different megapixels and different sensor measurements. The GH3 featuring a smaller sensor is going to make getting shallower depth of field harder and the Sony A6400 will show extra detail due to its extra 8 Megapixels. Higher resolution can also enable you to crop shots a little more aggressively. The older GH3 will be disadvantaged with regard to sensor technology.