Olympus E-M10 III vs Sony A6400

Following is a in-depth comparison of the Olympus E-M10 III vs Sony A6400, one is a Entry-Level Mirrorless and the latter is a Advanced Mirrorless by manufacturers Olympus and Sony. There exists a huge gap between the sensor resolutions of the E-M10 III (16MP) and A6400 (24MP) and the E-M10 III (Four Thirds) and A6400 (APS-C) have totally different sensor size.

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The E-M10 III was unveiled 16 months before the A6400 which makes them a generation away from one another. Both the cameras have different body design with the Olympus E-M10 III being a SLR-style mirrorless camera and the Sony A6400 being a Rangefinder-style mirrorless camera.

Before going into a in depth comparison, here is a brief view of how the E-M10 III scores vs the A6400 for portability, imaging, features and an overall score.

Below is a preview of the gallery images for Olympus OM-D E-M10 Mark III and Sony Alpha a6400. The full galleries are available at Olympus E-M10 III Gallery and Sony A6400 Gallery.

If you are going to carry around your camera frequently, you need to think about its weight and volume. The Olympus E-M10 III has external dimensions of 122mm x 84mm x 50mm (4.8" x 3.3" x 2.0") having a weight of 410 grams (0.90 lbs) and the Sony A6400 has sizing of 120mm x 67mm x 50mm (4.7" x 2.6" x 2.0") having a weight of 403 grams (0.89 lbs).

Contrast the Olympus E-M10 III vs Sony A6400 in the latest Camera and Lens Size Comparison Tool.

Do not forget, the weight of an Interchangeable Lens Camera will vary depending on the lens you select at the time. Here is a front view over all size comparison of the E-M10 III against the A6400.

Factoring in dimensions and weight, the portability rating of the E-M10 III and A6400 is 80 and 83 respectively.

Quite often, it is difficult to envision the difference between sensor sizes merely by looking at a spec sheet. The picture here may give you a stronger sense of the sensor sizes in the E-M10 III and A6400.

Clearly, both cameras provide different resolutions and different sensor sizes. The E-M10 III having a tinier sensor will make achieving shallow depth of field more difficult and the Sony A6400 will give you more detail having an extra 8 Megapixels. Higher resolution will make it easier to crop shots more aggressively. The more aged E-M10 III is going to be behind when it comes to sensor innovation.