Olympus E-M1 vs Panasonic GM5

Here is a comprehensive assessment of the Olympus E-M1 versus Panasonic GM5, one being a Pro Mirrorless and the other is a Entry-Level Mirrorless by companies Olympus and Panasonic. The sensor resolution of the E-M1 (16MP) and the GM5 (16MP) is very close and they come with the same exact sensor dimensions (Four Thirds).

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The E-M1 was launched 10 months prior to the GM5 so they are both of a similar generation. Each of these cameras offer different body type with the Olympus E-M1 being a SLR-style mirrorless camera and the Panasonic GM5 being a Rangefinder-style mirrorless camera.

Before we go in to a full comparison, below is a short synopsis of how the E-M1 grades vs the GM5 in relation to portability, imaging, features and an overall rating.

Here is a sample of the gallery pics for Olympus OM-D E-M1 and Panasonic Lumix DMC-GM5. The complete galleries are provided at Olympus E-M1 Gallery and Panasonic GM5 Gallery.

When you are going to carry your camera often, you need to factor its weight and proportions. The Olympus E-M1 comes with exterior measurements of 130mm x 94mm x 63mm (5.1" x 3.7" x 2.5") accompanied by a weight of 497 grams (1.10 lbs) whilst the Panasonic GM5 has measurements of 99mm x 60mm x 36mm (3.9" x 2.4" x 1.4") having a weight of 211 grams (0.47 lbs).

Take a look at the Olympus E-M1 versus Panasonic GM5 in the latest Camera with Lens Size Comparison Tool.

Remember that, the weight of an Interchangeable Lens Camera will change dependant on the lens you use at that time. Below is the front view overall size comparison of the E-M1 against the GM5.

Looking at dimensions and weight, the portability grade of the E-M1 and GM5 is 71 and 91 respectively.

Normally, it's tough to picture the difference in sensor sizing merely by researching technical specs. The photograph below might give you a stronger sense of the sensor measurements in the E-M1 and GM5.

As you have seen, the two cameras enjoy the same exact sensor sizing and the same MP so you should expect comparable quality of photos though you should always factor the release date of the cameras into account. The older E-M1 will be behind in sensor technology.