Panasonic GH3 vs Panasonic GM1

Let's look a bit more closely at the Panasonic GH3 versus Panasonic GM1, one being a Advanced Mirrorless and the latter is a Entry-Level Mirrorless and both are produced by Panasonic. The sensor resolution of the GH3 (16MP) and the GM1 (16MP) is pretty similar and both cameras provide the same sensor size (Four Thirds).

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The GH3 was introduced 15 months prior to the GM1 which makes them a generation apart from one another. The two cameras have different body design with the Panasonic GH3 being a SLR-style mirrorless camera and the Panasonic GM1 being a Rangefinder-style mirrorless camera.

Before we go right into a more detailed comparison, here is a simple highlight of how the GH3 grades vs the GM1 with regards to portability, imaging, features and an overall grade.

Here is a preview of the gallery images for Panasonic Lumix DMC-GH3 and Panasonic Lumix DMC-GM1. The whole galleries are provided at Panasonic GH3 Gallery and Panasonic GM1 Gallery.

In case you're planning to lug around your camera often, you are going to need to take into account its weight and volume. The Panasonic GH3 offers outer dimensions of 133mm x 93mm x 82mm (5.2" x 3.7" x 3.2") having a weight of 550 grams (1.21 lbs) while the Panasonic GM1 has sizing of 99mm x 55mm x 30mm (3.9" x 2.2" x 1.2") and a weight of 204 grams (0.45 lbs).

See the Panasonic GH3 versus Panasonic GM1 in the all new Camera with Lens Size Comparison Tool.

Bear in mind, the weight of an Interchangeable Lens Camera will vary dependant on the lens you are employing during that time. Below is a front view dimensions comparison of the GH3 versus the GM1.

Taking into account dimensions and weight, the portability grade of the GH3 and GM1 is 66 and 93 respectively.

Typically, it is very tough to see the gap between sensor measurements simply by reviewing technical specs. The visual here will help give you a stronger sense of the sensor dimensions in the GH3 and GM1.

As you have seen, each of these cameras have the same sensor dimensions and the identical resolution and you should expect similar quality of files but you should always take the release date of the products into consideration. The older GH3 is going to be behind when it comes to sensor innovation.