Olympus E-M1 vs Sony RX100 III

Following is a thorough review of the Olympus E-M1 vs Sony RX100 III, former is a Pro Mirrorless while the latter is a Large Sensor Compact by competitors Olympus and Sony. The image resolution of the E-M1 (16MP) and the RX100 III (20MP) is relatively well matched but the E-M1 (Four Thirds) and RX100 III (1") come with totally different sensor sizing.

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The E-M1 was brought out 6 months prior to the RX100 III so they are of a similar age. Both of these cameras offer different body type with the Olympus E-M1 being a SLR-style mirrorless camera and the Sony RX100 III being a Large Sensor Compact camera.

Before diving through a comprehensive comparison, below is a brief summation of how the E-M1 matches up versus the RX100 III in terms of portability, imaging, features and an overall score.

This is a preview of the gallery photos for Olympus OM-D E-M1 & Sony Cyber-shot DSC-RX100 III. The entire galleries are available at Olympus E-M1 Gallery & Sony RX100 III Gallery.

For anybody who is planning to carry around your camera, you should think about its weight and size. The Olympus E-M1 offers physical dimensions of 130mm x 94mm x 63mm (5.1" x 3.7" x 2.5") along with a weight of 497 grams (1.10 lbs) while the Sony RX100 III has specifications of 102mm x 58mm x 41mm (4.0" x 2.3" x 1.6") along with a weight of 290 grams (0.64 lbs).

Analyze the Olympus E-M1 vs Sony RX100 III in our completely new Camera plus Lens Size Comparison Tool.

Do not forget, the weight of an ILC will vary depending on the lens you are using during that time. Here is the front view over all size comparison of the E-M1 and the RX100 III.

Looking at size and weight, the portability grade of the E-M1 and RX100 III is 71 and 89 respectively.

Often, it is difficult to see the contrast between sensor sizes merely by checking a spec sheet. The pic below will help offer you a stronger sense of the sensor dimensions in the E-M1 and RX100 III.

As you can see, each of these cameras offer different resolutions and different sensor sizes. The E-M1 due to its bigger sensor will make shooting bokeh easier and the Sony RX100 III will give you extra detail having its extra 4MP. Higher resolution will also help you crop shots a little more aggressively.