Olympus E-M1 III vs Panasonic GM1

Its time to take a closer look at the Olympus E-M1 III versus Panasonic GM1, former is a Pro Mirrorless while the latter is a Entry-Level Mirrorless by competitors Olympus and Panasonic. There is a sizable difference between the image resolutions of the E-M1 III (20MP) and GM1 (16MP) but they enjoy the exact same sensor sizing (Four Thirds).

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The E-M1 III was manufactured 6 years after the GM1 which is quite a significant difference as far as tech is concerned. Each of the cameras come with different body type with the Olympus E-M1 III being a SLR-style mirrorless camera and the Panasonic GM1 being a Rangefinder-style mirrorless camera.

Before delving through a step-by-step comparison, below is a quick highlight of how the E-M1 III matches up vs the GM1 in regards to portability, imaging, features and an overall score.

This is a preview of the gallery photos for Olympus OM-D E-M1 Mark III & Panasonic Lumix DMC-GM1. The entire galleries are available at Olympus E-M1 III Gallery & Panasonic GM1 Gallery.

For those who are intending to carry around your camera regularly, you are going to need to consider its weight and size. The Olympus E-M1 III has outside measurements of 134mm x 91mm x 69mm (5.3" x 3.6" x 2.7") having a weight of 580 grams (1.28 lbs) while the Panasonic GM1 has specifications of 99mm x 55mm x 30mm (3.9" x 2.2" x 1.2") and a weight of 204 grams (0.45 lbs).

Analyze the Olympus E-M1 III versus Panasonic GM1 in our brand new Camera plus Lens Size Comparison Tool.

Take into consideration, the weight of an ILC will vary depending on the lens you choose at that time. Here is the front view physical size comparison of the E-M1 III versus the GM1.

Using size and weight, the portability score of the E-M1 III and GM1 is 67 and 93 respectively.

Usually, it is very tough to see the contrast between sensor sizes purely by reading through specs. The picture underneath may give you a far better sense of the sensor sizing in the E-M1 III and GM1.

All in all, each of these cameras have got the exact same sensor measurements albeit not the same resolution. You can count on the Olympus E-M1 III to resolve greater detail due to its extra 4 Megapixels. Higher resolution can also let you crop shots much more aggressively. The more recent E-M1 III is going to have a benefit in sensor tech.