Olympus E-M5 III vs Sony RX100 III

Here is a detailed comparison of the Olympus E-M5 III versus Sony RX100 III, former being a Advanced Mirrorless while the latter is a Large Sensor Compact by companies Olympus and Sony. The sensor resolution of the E-M5 III (20MP) and the RX100 III (20MP) is relatively close but the E-M5 III (Four Thirds) and RX100 III (1") have different sensor dimensions.

Photography Glossary

The E-M5 III was introduced 5 years later than the RX100 III and that is a fairly serious difference as far as camera technology is concerned. Each of the cameras have different body design with the Olympus E-M5 III being a SLR-style mirrorless camera and the Sony RX100 III being a Large Sensor Compact camera.

Before going into a in depth comparison, here is a short view of how the E-M5 III scores against the RX100 III when considering portability, imaging, features and an overall rating.

This is a preview of the gallery photos for Olympus OM-D E-M5 III & Sony Cyber-shot DSC-RX100 III. The whole galleries are available at Olympus E-M5 III Gallery & Sony RX100 III Gallery.

If you're intending to carry your camera, you will have to take into account its weight and measurements. The Olympus E-M5 III has exterior dimensions of 125mm x 85mm x 50mm (4.9" x 3.3" x 2.0") having a weight of 414 grams (0.91 lbs) while the Sony RX100 III has proportions of 102mm x 58mm x 41mm (4.0" x 2.3" x 1.6") with a weight of 290 grams (0.64 lbs).

See the Olympus E-M5 III versus Sony RX100 III in our newest Camera plus Lens Size Comparison Tool.

Keep in mind, the weight of an ILC will change dependant on the lens you select at the time. Following is a front view overall size comparison of the E-M5 III against the RX100 III.

Considering dimensions and weight, the portability rating of the E-M5 III and RX100 III is 80 and 89 respectively.

Normally, it can be hard to picture the gap in sensor sizing purely by researching a spec sheet. The graphic here may provide you a stronger sense of the sensor dimensions in the E-M5 III and RX100 III.

Clearly, each of the cameras have the same megapixels albeit different sensor sizing. The E-M5 III includes the bigger sensor which is going to make getting bokeh simpler. The more recent E-M5 III provides an edge when it comes to sensor tech.