Olympus E-M10 II vs Sony A7 III

Following is a thorough review of the Olympus E-M10 II and Sony A7 III, former is a Entry-Level Mirrorless while the other is a Pro Mirrorless by rivals Olympus and Sony. There exists a considerable gap between the resolutions of the E-M10 II (16MP) and A7 III (24MP) and the E-M10 II (Four Thirds) and A7 III (Full frame) feature totally different sensor sizes.

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The E-M10 II was revealed 3 years prior to the A7 III which is quite a large difference as far as technology is concerned. Both of these cameras come with the identical body type (SLR-style mirrorless).

Before going straight into a complete comparison, below is a short view of how the E-M10 II matches up versus the A7 III when it comes to portability, imaging, features and an overall score.

Here is a sample of the gallery pictures for Olympus OM-D E-M10 II & Sony Alpha A7 III. The full galleries are available at Olympus E-M10 II Gallery & Sony A7 III Gallery.

If you're intending to carry around your camera regularly, you will need to factor in its weight and size. The Olympus E-M10 II provides external dimensions of 120mm x 83mm x 47mm (4.7" x 3.3" x 1.9") having a weight of 390 grams (0.86 lbs) and the Sony A7 III has specifications of 127mm x 96mm x 74mm (5.0" x 3.8" x 2.9") accompanied by a weight of 650 grams (1.43 lbs).

Take a look at the Olympus E-M10 II and Sony A7 III in our completely new Camera & Lens Size Comparison Tool.

Do not forget, the weight of an ILC will vary depending on the lens you are utilizing at the time. Below is the front view over all size comparison of the E-M10 II and the A7 III.

Taking into consideration dimensions and weight, the portability grade of the E-M10 II and A7 III is 82 and 63 respectively.

Sometimes, its hard to see the contrast between sensor sizes simply by going over specs. The pic below might offer you a greater sense of the sensor dimensions in the E-M10 II and A7 III.

As you can plainly see, both of those cameras posses different megapixels and different sensor sizes. The E-M10 II using its tinier sensor will make achieving bokeh tougher and the Sony A7 III will offer more detail because of its extra 8MP. Greater resolution will allow you to crop images somewhat more aggressively. The more aged E-M10 II is going to be disadvantaged in sensor tech.