Olympus E-M1 vs Panasonic GH4

In this write-up, we are evaluating the Olympus E-M1 vs Panasonic GH4, both Pro Mirrorless digital cameras by brands Olympus and Panasonic. The sensor resolution of the E-M1 (16MP) and the GH4 (16MP) is very well matched and they enjoy the same exact sensor measurements (Four Thirds).

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The E-M1 was revealed 3 months before the GH4 and they are both of a similar age. Both of these cameras offer the identical body type (SLR-style mirrorless).

Before going straight into a detailed comparison, below is a brief summary of how the E-M1 matches up versus the GH4 in relation to portability, imaging, features and an overall rating.

Below is a sample of the gallery pics for Olympus OM-D E-M1 & Panasonic Lumix DMC-GH4. The full galleries are available at Olympus E-M1 Gallery & Panasonic GH4 Gallery.

If you are planning to carry your camera often, you should consider its weight and size. The Olympus E-M1 features exterior measurements of 130mm x 94mm x 63mm (5.1" x 3.7" x 2.5") and a weight of 497 grams (1.10 lbs) whilst the Panasonic GH4 has specifications of 133mm x 93mm x 84mm (5.2" x 3.7" x 3.3") having a weight of 560 grams (1.23 lbs).

Check the Olympus E-M1 vs Panasonic GH4 in our completely new Camera & Lens Size Comparison Tool.

Take into account, the weight of an ILC will change dependant on the lens you use at that time. The following is the front view measurement comparison of the E-M1 vs the GH4.

Looking at size and weight, the portability score of the E-M1 and GH4 is 71 and 66 respectively.

Often, its hard to visualise the gap between sensor sizing only by checking specifications. The photograph below should provide you a stronger sense of the sensor sizing in the E-M1 and GH4.

To sum up, both cameras enjoy the same exact sensor sizing and the same exact megapixels and you can expect similar quality of files although you really should consider the launch date of the products into consideration.