Olympus E-M1 III vs Panasonic FX580

Here, we will be contrasting the Olympus E-M1 III and Panasonic FX580, one being a Pro Mirrorless and the latter is a Small Sensor Compact by rivals Olympus and Panasonic. There is a sizeable difference between the sensor resolutions of the E-M1 III (20MP) and FX580 (12MP) and the E-M1 III (Four Thirds) and FX580 (1/2.3") posses totally different sensor sizing.

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The E-M1 III was revealed 11 years later than the FX580 and that is quite a large gap as far as tech is concerned. Both cameras feature different body design with the Olympus E-M1 III being a SLR-style mirrorless camera and the Panasonic FX580 being a Compact camera.

Before diving right into a step-by-step comparison, here is a concise introduction of how the E-M1 III matches up vs the FX580 in terms of portability, imaging, features and an overall grade.

Below is a preview of the gallery images for Olympus OM-D E-M1 Mark III and Panasonic Lumix DMC-FX580. The full galleries are viewable at Olympus E-M1 III Gallery and Panasonic FX580 Gallery.

For anybody who is planning to lug around your camera, you will need to consider its weight and dimensions. The Olympus E-M1 III provides physical measurements of 134mm x 91mm x 69mm (5.3" x 3.6" x 2.7") accompanied by a weight of 580 grams (1.28 lbs) and the Panasonic FX580 has dimensions of 95mm x 57mm x 22mm (3.7" x 2.2" x 0.9") with a weight of 167 grams (0.37 lbs).

Look at the Olympus E-M1 III and Panasonic FX580 in the latest Camera with Lens Size Comparison Tool.

Remember, the weight of an Interchangeable Lens Camera will differ dependant on the lens you have attached at that time. Below is a front view over all size comparison of the E-M1 III and the FX580.

Taking into account size and weight, the portability rating of the E-M1 III and FX580 is 67 and 95 respectively.

Usually, it is very hard to envision the difference between sensor measurements simply by checking specs. The graphic here will help provide you a much better sense of the sensor measurements in the E-M1 III and FX580.

All in all, both of the cameras come with different megapixel count and different sensor measurements. The E-M1 III using its bigger sensor will make getting bokeh simpler and the Olympus E-M1 III will resolve extra detail because of its extra 8 Megapixels. Higher resolution will let you crop shots a good deal more aggressively. The more recent E-M1 III is going to have a benefit with regard to sensor technology.