Olympus E-M1 III vs Sony RX100 VII

Below is a detailed review of the Olympus E-M1 III vs Sony RX100 VII, former being a Pro Mirrorless while the other is a Large Sensor Compact by brands Olympus and Sony. The resolution of the E-M1 III (20MP) and the RX100 VII (20MP) is fairly comparable but the E-M1 III (Four Thirds) and RX100 VII (1") have different sensor measurements.

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The E-M1 III was released 7 months later than the RX100 VII and they are both of a similar age. Both of these cameras have different body design with the Olympus E-M1 III being a SLR-style mirrorless camera and the Sony RX100 VII being a Large Sensor Compact camera.

Before delving right into a in-depth comparison, here is a quick overview of how the E-M1 III matches up versus the RX100 VII for portability, imaging, features and an overall grade.

This is a sample of the gallery pictures for Olympus OM-D E-M1 Mark III & Sony Cyber-shot DSC-RX100 VII. The complete galleries are provided at Olympus E-M1 III Gallery & Sony RX100 VII Gallery.

When you are looking to lug around your camera frequently, you need to factor its weight and dimensions. The Olympus E-M1 III has got exterior 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 VII has dimensions of 102mm x 58mm x 43mm (4.0" x 2.3" x 1.7") accompanied by a weight of 302 grams (0.67 lbs).

Contrast the Olympus E-M1 III vs Sony RX100 VII in our newest Camera plus Lens Size Comparison Tool.

Always remember, the weight of an ILC will change dependant on the lens you have at the time. Here is a front view dimensions comparison of the E-M1 III compared to the RX100 VII.

Looking at dimensions and weight, the portability score of the E-M1 III and RX100 VII is 67 and 88 respectively.

Normally, it is very tough to visualize the contrast in sensor measurements just by seeing technical specs. The visual below will help offer you a far better sense of the sensor sizes in the E-M1 III and RX100 VII.

As you can tell, each of these cameras provide the same megapixels but different sensor measurements. The E-M1 III provides the larger sensor which is going to make obtaining shallow depth of field easier. The fresher E-M1 III provides an edge in sensor innovation.