Olympus E-M1 III vs Sony H55

Here is a detailed overview of the Olympus E-M1 III vs Sony H55, one being a Pro Mirrorless and the other is a Small Sensor Compact by rivals Olympus and Sony. There exists a significant gap among the resolutions of the E-M1 III (20MP) and H55 (14MP) and the E-M1 III (Four Thirds) and H55 (1/2.3") posses different sensor measurements.

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The E-M1 III was revealed 9 years later than the H55 and that is a fairly sizable gap as far as camera technology is concerned. Each of these cameras have different body design with the Olympus E-M1 III being a SLR-style mirrorless camera and the Sony H55 being a Compact camera.

Before getting straight to a more detailed comparison, here is a short introduction of how the E-M1 III matches up against the H55 in terms of portability, imaging, features and an overall rating.

The following is a sample of the gallery pictures for Olympus OM-D E-M1 Mark III and Sony Cyber-shot DSC-H55. The full galleries are available at Olympus E-M1 III Gallery and Sony H55 Gallery.

If you're looking to carry your camera often, you will want to take into account its weight and size. The Olympus E-M1 III offers outer measurements of 134mm x 91mm x 69mm (5.3" x 3.6" x 2.7") with a weight of 580 grams (1.28 lbs) while the Sony H55 has specifications of 103mm x 58mm x 29mm (4.1" x 2.3" x 1.1") accompanied by a weight of 200 grams (0.44 lbs).

See the Olympus E-M1 III vs Sony H55 in the new Camera with Lens Size Comparison Tool.

Don't forget, the weight of an Interchangeable Lens Camera will differ based on the lens you have attached during that time. Following is a front view dimensions comparison of the E-M1 III against the H55.

Taking into consideration dimensions and weight, the portability score of the E-M1 III and H55 is 67 and 92 respectively.

Typically, its difficult to visualize the contrast in sensor sizing purely by researching technical specs. The graphic below will help give you a much better sense of the sensor sizing in the E-M1 III and H55.

As you have seen, each of the cameras have different megapixels and different sensor sizing. The E-M1 III using its larger sensor is going to make getting bokeh simpler and the Olympus E-M1 III will result in extra detail because of its extra 6 Megapixels. Greater resolution can also enable you to crop photos a bit more aggressively. The more modern E-M1 III provides an edge in sensor technology.