Olympus E-M1 vs Panasonic G100

The following is a complete overview of the Olympus E-M1 vs Panasonic G100, former is a Pro Mirrorless while the other is a Entry-Level Mirrorless by rivals Olympus and Panasonic. The image resolution of the E-M1 (16MP) and the G100 (20MP) is very similar and both cameras posses the same sensor size (Four Thirds).

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The E-M1 was revealed 7 years before the G100 which is quite a significant difference as far as tech is concerned. Both of these cameras have the same body design (SLR-style mirrorless).

Before going into a full comparison, here is a brief overview of how the E-M1 grades against the G100 in regards to portability, imaging, features and an overall mark.

Below is a sample of the gallery pics for Olympus OM-D E-M1 & Panasonic Lumix DC-G100. The full galleries are provided at Olympus E-M1 Gallery & Panasonic G100 Gallery.

If you're aiming to travel with your camera frequently, you'll have to take into account its weight and measurements. The Olympus E-M1 provides external dimensions of 130mm x 94mm x 63mm (5.1" x 3.7" x 2.5") accompanied by a weight of 497 grams (1.10 lbs) while the Panasonic G100 has proportions of 116mm x 83mm x 54mm (4.6" x 3.3" x 2.1") accompanied by a weight of 352 grams (0.78 lbs).

Take a look at the Olympus E-M1 vs Panasonic G100 in our newest Camera & Lens Size Comparison Tool.

Bear in mind, the weight of an ILC will differ dependant on the lens you are working with at that time. Here is a front view dimension comparison of the E-M1 versus the G100.

Looking at size and weight, the portability rating of the E-M1 and G100 is 71 and 81 respectively.

Often, it is difficult to picture the gap between sensor dimensions merely by reading a spec sheet. The image below should provide you a clearer sense of the sensor dimensions in the E-M1 and G100.

As you can see, each of the cameras provide the same sensor dimensions but different MP. You can expect to see the Panasonic G100 to offer greater detail because of its extra 4MP. Greater resolution will also let you crop pics more aggressively. The more aged E-M1 is going to be disadvantaged in sensor innovation.