Olympus E-M1 III vs Sony QX100

Lets examine more in depth at the Olympus E-M1 III and Sony QX100, former is a Pro Mirrorless while the latter is a Lens-style by competitors Olympus and Sony. The image resolution of the E-M1 III (20MP) and the QX100 (20MP) is relatively comparable but the E-M1 III (Four Thirds) and QX100 (1") use totally different sensor sizes.

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The E-M1 III was launched 6 years after the QX100 which is a fairly serious difference as far as camera technology is concerned. Both of the cameras offer different body type with the Olympus E-M1 III being a SLR-style mirrorless camera and the Sony QX100 being a Lens-style camera.

Before diving through a in depth comparison, below is a simple summation of how the E-M1 III scores versus the QX100 when it comes to portability, imaging, features and an overall mark.

Below is a preview of the gallery photos for Olympus OM-D E-M1 Mark III & Sony Cyber-shot DSC-QX100. The complete galleries are available at Olympus E-M1 III Gallery & Sony QX100 Gallery.

If you're planning to travel with your camera regularly, you are going to need to consider its weight and size. The Olympus E-M1 III enjoys physical dimensions of 134mm x 91mm x 69mm (5.3" x 3.6" x 2.7") and a weight of 580 grams (1.28 lbs) while the Sony QX100 has specifications of 63mm x 63mm x 56mm (2.5" x 2.5" x 2.2") accompanied by a weight of 179 grams (0.39 lbs).

See the Olympus E-M1 III and Sony QX100 in our completely new Camera & Lens Size Comparison Tool.

Bear in mind, the weight of an ILC will vary depending on the lens you choose at the time. Here is the front view proportions comparison of the E-M1 III compared to the QX100.

Considering dimensions and weight, the portability score of the E-M1 III and QX100 is 67 and 92 respectively.

Quite often, its hard to visualise the gap in sensor dimensions purely by checking out a spec sheet. The image below will provide you a better sense of the sensor dimensions in the E-M1 III and QX100.

Clearly, both of the cameras enjoy the same exact megapixel count albeit not the same sensor dimensions. The E-M1 III uses the bigger sensor which will make getting shallower depth of field simpler. The fresher E-M1 III is going to have an advantage with regard to sensor innovation.