Olympus E-M5 III vs Panasonic GM1

Below is a extensive review of the Olympus E-M5 III versus Panasonic GM1, former being a Advanced Mirrorless while the latter is a Entry-Level Mirrorless by brands Olympus and Panasonic. There is a substantial difference between the image resolutions of the E-M5 III (20MP) and GM1 (16MP) but both cameras boast the same sensor sizes (Four Thirds).

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The E-M5 III was brought out 5 years later than the GM1 and that is quite a big difference as far as tech is concerned. Each of these cameras have different body design with the Olympus E-M5 III being a SLR-style mirrorless camera and the Panasonic GM1 being a Rangefinder-style mirrorless camera.

Before we go into a more detailed comparison, here is a short overview of how the E-M5 III scores against the GM1 when considering portability, imaging, features and an overall grade.

Here is a preview of the gallery photos for Olympus OM-D E-M5 III & Panasonic Lumix DMC-GM1. The entire galleries are viewable at Olympus E-M5 III Gallery & Panasonic GM1 Gallery.

For anybody who is going to lug around your camera often, you need to factor in its weight and proportions. The Olympus E-M5 III provides exterior measurements of 125mm x 85mm x 50mm (4.9" x 3.3" x 2.0") accompanied by a weight of 414 grams (0.91 lbs) whilst the Panasonic GM1 has measurements of 99mm x 55mm x 30mm (3.9" x 2.2" x 1.2") along with a weight of 204 grams (0.45 lbs).

Look at the Olympus E-M5 III versus Panasonic GM1 in our newest Camera plus Lens Size Comparison Tool.

Don't forget, the weight of an ILC will differ dependant on the lens you choose at the time. Underneath is a front view dimensions comparison of the E-M5 III versus the GM1.

Taking into consideration size and weight, the portability grade of the E-M5 III and GM1 is 80 and 93 respectively.

Generally, it is difficult to picture the gap between sensor measurements simply by reading specifications. The graphic here should offer you a much better sense of the sensor sizing in the E-M5 III and GM1.

To sum up, the two cameras provide the same sensor dimensions albeit different MP. You can count on the Olympus E-M5 III to offer extra detail having its extra 4 Megapixels. Higher resolution will help you crop photographs more aggressively. The more recent E-M5 III should have an edge with regard to sensor tech.