Olympus E-M10 II vs Sony A7R III

Here, we will be matching up the Olympus E-M10 II and Sony A7R III, former being a Entry-Level Mirrorless while the latter is a Pro Mirrorless by rivals Olympus and Sony. There is a sizable difference among the resolutions of the E-M10 II (16MP) and A7R III (42MP) and the E-M10 II (Four Thirds) and A7R III (Full frame) offer different sensor measurements.

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The E-M10 II was launched 3 years before the A7R III and that is a fairly significant difference as far as camera tech is concerned. Both of the cameras feature the same body design (SLR-style mirrorless).

Before getting into a complete comparison, here is a short overview of how the E-M10 II scores against the A7R III when it comes to portability, imaging, features and an overall rating.

The following is a preview of the gallery photos for Olympus OM-D E-M10 II & Sony Alpha A7R III. The complete galleries are available at Olympus E-M10 II Gallery & Sony A7R III Gallery.

If you're planning to carry your camera regularly, you're going to have to consider its weight and measurements. The Olympus E-M10 II has got external measurements of 120mm x 83mm x 47mm (4.7" x 3.3" x 1.9") having a weight of 390 grams (0.86 lbs) while the Sony A7R III has proportions of 127mm x 96mm x 74mm (5.0" x 3.8" x 2.9") with a weight of 657 grams (1.45 lbs).

Compare the Olympus E-M10 II and Sony A7R III in our completely new Camera & Lens Size Comparison Tool.

Take into consideration, the weight of an ILC will change dependant on the lens you have chosen at that moment. Following is a front view dimensions comparison of the E-M10 II versus the A7R III.

Looking at size and weight, the portability grade of the E-M10 II and A7R III is 82 and 63 respectively.

Generally, its difficult to picture the gap in sensor sizing purely by researching specifications. The photograph here may provide you a better sense of the sensor sizing in the E-M10 II and A7R III.

To sum up, both of these cameras come with different resolutions and different sensor sizing. The E-M10 II featuring a smaller sensor is going to make getting shallower DOF trickier and the Sony A7R III will result in extra detail utilizing its extra 26 Megapixels. Higher resolution can also make it easier to crop shots a good deal more aggressively. The older E-M10 II will be behind with regard to sensor technology.