Olympus E-M10 III vs Pentax E90

In this write-up, we will be matching up the Olympus E-M10 III vs Pentax E90, one is a Entry-Level Mirrorless and the latter is a Small Sensor Compact by brands Olympus and Pentax. There exists a sizeable gap between the image resolutions of the E-M10 III (16MP) and E90 (10MP) and the E-M10 III (Four Thirds) and E90 (1/2.3") enjoy totally different sensor sizing.

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The E-M10 III was unveiled 7 years after the E90 which is quite a large gap as far as technology is concerned. Each of these cameras offer different body type with the Olympus E-M10 III being a SLR-style mirrorless camera and the Pentax E90 being a Compact camera.

Before getting in to a detailed comparison, below is a concise overview of how the E-M10 III scores against the E90 when it comes to portability, imaging, features and an overall score.

This is a preview of the gallery images for Olympus OM-D E-M10 Mark III and Pentax Optio E90. The full galleries are provided at Olympus E-M10 III Gallery and Pentax E90 Gallery.

If you are intending to carry around your camera often, you have to consider its weight and size. The Olympus E-M10 III has got exterior measurements of 122mm x 84mm x 50mm (4.8" x 3.3" x 2.0") having a weight of 410 grams (0.90 lbs) while the Pentax E90 has specifications of 102mm x 59mm x 25mm (4.0" x 2.3" x 1.0") accompanied by a weight of 145 grams (0.32 lbs).

See the Olympus E-M10 III vs Pentax E90 in the new Camera and Lens Size Comparison Tool.

Don't forget, the weight of an Interchangeable Lens Camera will differ depending on the lens you have at the time. Here is the front view scale comparison of the E-M10 III vs the E90.

Taking into consideration dimensions and weight, the portability grade of the E-M10 III and E90 is 80 and 94 respectively.

Normally, it is hard to envision the difference between sensor sizes merely by reading specs. The image here should offer you a more clear sense of the sensor measurements in the E-M10 III and E90.

All in all, the two cameras enjoy different resolutions and different sensor sizes. The E-M10 III with its bigger sensor will make getting bokeh less difficult and the Olympus E-M10 III will offer you more detail having an extra 6 Megapixels. Higher resolution will also enable you to crop shots far more aggressively. The fresher E-M10 III will have an edge in sensor tech.