Olympus E-M1 III vs Panasonic GH1

Here is a extensive comparison of the Olympus E-M1 III vs Panasonic GH1, former being a Pro Mirrorless while the latter is a Advanced Mirrorless by brands Olympus and Panasonic. There is a substantial difference among the sensor resolutions of the E-M1 III (20MP) and GH1 (12MP) but both cameras have the same sensor sizes (Four Thirds).

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The E-M1 III was manufactured 10 years later than the GH1 and that is a fairly big difference as far as camera tech is concerned. Both of the cameras have the same body design (SLR-style mirrorless).

Before getting right into a thorough comparison, here is a quick view of how the E-M1 III grades versus the GH1 in terms of portability, imaging, features and an overall rating.

Following is a preview of the gallery photos for Olympus OM-D E-M1 Mark III & Panasonic Lumix DMC-GH1. The entire galleries are available at Olympus E-M1 III Gallery & Panasonic GH1 Gallery.

If you are intending to carry your camera regularly, you are going to need to factor in its weight and measurements. The Olympus E-M1 III has got physical measurements of 134mm x 91mm x 69mm (5.3" x 3.6" x 2.7") along with a weight of 580 grams (1.28 lbs) while the Panasonic GH1 has proportions of 124mm x 90mm x 45mm (4.9" x 3.5" x 1.8") and a weight of 385 grams (0.85 lbs).

Examine the Olympus E-M1 III vs Panasonic GH1 in our newest Camera plus Lens Size Comparison Tool.

Always remember, the weight of an ILC will change depending on the lens you have during that time. Below is a front view proportions comparison of the E-M1 III versus the GH1.

Considering size and weight, the portability grade of the E-M1 III and GH1 is 67 and 81 respectively.

Oftentimes, it can be hard to picture the gap in sensor sizing merely by looking through specifications. The graphic below should give you a better sense of the sensor measurements in the E-M1 III and GH1.

Plainly, both cameras provide the same sensor dimensions albeit different megapixels. You can count on the Olympus E-M1 III to result in more detail due to its extra 8MP. Higher resolution can also enable you to crop shots more aggressively. The newer E-M1 III should have an edge when it comes to sensor innovation.