Olympus E-M1 III vs Sony RX100 III

Following is a detailed comparison of the Olympus E-M1 III and Sony RX100 III, one is a Pro Mirrorless and the latter is a Large Sensor Compact by competitors Olympus and Sony. The resolution of the E-M1 III (20MP) and the RX100 III (20MP) is relatively comparable but the E-M1 III (Four Thirds) and RX100 III (1") offer different sensor sizing.

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The E-M1 III was manufactured 5 years after the RX100 III which is a fairly serious gap as far as camera tech is concerned. Both of these cameras feature different body design with the Olympus E-M1 III being a SLR-style mirrorless camera and the Sony RX100 III being a Large Sensor Compact camera.

Before delving straight to a in-depth comparison, here is a quick synopsis of how the E-M1 III grades vs the RX100 III with regards to portability, imaging, features and an overall score.

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

If you're intending to carry around your camera, you will need to factor in its weight and dimensions. The Olympus E-M1 III has got physical dimensions 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 Sony RX100 III has dimensions of 102mm x 58mm x 41mm (4.0" x 2.3" x 1.6") and a weight of 290 grams (0.64 lbs).

Contrast the Olympus E-M1 III and Sony RX100 III in the latest Camera and Lens Size Comparison Tool.

Remember, the weight of an Interchangeable Lens Camera will differ based on the lens you are working with during that time. Here is a front view scale comparison of the E-M1 III vs the RX100 III.

Taking into consideration size and weight, the portability grade of the E-M1 III and RX100 III is 67 and 89 respectively.

Usually, its hard to visualize the difference in sensor sizes simply by checking out specs. The image here should offer you a more clear sense of the sensor sizes in the E-M1 III and RX100 III.

As you can plainly see, each of the cameras feature the identical resolution albeit different sensor sizes. The E-M1 III includes the bigger sensor which is going to make achieving shallow depth of field simpler. The more recent E-M1 III provides a benefit when it comes to sensor technology.