Olympus E-M1 III vs Panasonic G7

Following is a complete review of the Olympus E-M1 III and Panasonic G7, one is a Pro Mirrorless and the latter is a Advanced Mirrorless by brands Olympus and Panasonic. There is a significant difference between the image resolutions of the E-M1 III (20MP) and G7 (16MP) but both cameras have the same sensor measurements (Four Thirds).

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The E-M1 III was brought out 4 years after the G7 which is quite a sizable gap as far as tech is concerned. Each of these cameras have the same body design (SLR-style mirrorless).

Before getting right into a in-depth comparison, here is a concise summary of how the E-M1 III matches up vs the G7 in terms of portability, imaging, features and an overall score.

Below is a preview of the gallery photos for Olympus OM-D E-M1 Mark III and Panasonic Lumix DMC-G7. The entire galleries are available at Olympus E-M1 III Gallery and Panasonic G7 Gallery.

If you are going to carry around your camera often, you'll need to think about its weight and proportions. The Olympus E-M1 III provides exterior dimensions of 134mm x 91mm x 69mm (5.3" x 3.6" x 2.7") and a weight of 580 grams (1.28 lbs) and the Panasonic G7 has measurements of 125mm x 86mm x 77mm (4.9" x 3.4" x 3.0") along with a weight of 410 grams (0.90 lbs).

Take a look at the Olympus E-M1 III and Panasonic G7 in the new Camera with Lens Size Comparison Tool.

Remember that, the weight of an Interchangeable Lens Camera will differ depending on the lens you are employing at that time. Following is a front view measurement comparison of the E-M1 III against the G7.

Considering size and weight, the portability rating of the E-M1 III and G7 is 67 and 71 respectively.

Often, it is difficult to picture the contrast between sensor sizes purely by reviewing a spec sheet. The pic here will help provide you a better sense of the sensor dimensions in the E-M1 III and G7.

As you can see, both cameras have the same sensor dimensions albeit different MP. You should count on the Olympus E-M1 III to deliver greater detail having its extra 4 Megapixels. Higher resolution will enable you to crop photographs a bit more aggressively. The more modern E-M1 III should have an advantage with regard to sensor technology.