Olympus E-M10 IV vs Sony A9 II

Let's examine more closely at the Olympus E-M10 IV versus Sony A9 II, one being a Entry-Level Mirrorless and the latter is a Pro Mirrorless by rivals Olympus and Sony. The resolution of the E-M10 IV (20MP) and the A9 II (24MP) is relatively well matched but the E-M10 IV (Four Thirds) and A9 II (Full frame) use different sensor sizes.

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The E-M10 IV was introduced 11 months later than the A9 II so they are both of a similar generation. Both of the cameras come with the identical body type (SLR-style mirrorless).

Before diving through a in-depth comparison, below is a concise view of how the E-M10 IV scores vs the A9 II with respect to portability, imaging, features and an overall rating.

This is a preview of the gallery photos for Olympus OM-D E-M10 IV and Sony Alpha A9 Mark II. The whole galleries are provided at Olympus E-M10 IV Gallery and Sony A9 II Gallery.

For anybody who is aiming to carry your camera regularly, you will need to think about its weight and measurements. The Olympus E-M10 IV comes with physical measurements of 122mm x 84mm x 49mm (4.8" x 3.3" x 1.9") accompanied by a weight of 383 grams (0.84 lbs) and the Sony A9 II has proportions of 129mm x 96mm x 76mm (5.1" x 3.8" x 3.0") with a weight of 678 grams (1.49 lbs).

Check the Olympus E-M10 IV versus Sony A9 II in the latest Camera and Lens Size Comparison Tool.

Always remember, the weight of an Interchangeable Lens Camera will differ dependant on the lens you use at that time. Here is the front view overall size comparison of the E-M10 IV vs the A9 II.

Using size and weight, the portability rating of the E-M10 IV and A9 II is 81 and 62 respectively.

Usually, its difficult to imagine the contrast between sensor sizing simply by reading through technical specs. The visual below will help provide you a stronger sense of the sensor measurements in the E-M10 IV and A9 II.

As you can tell, each of these cameras posses different resolutions and different sensor sizing. The E-M10 IV with its tinier sensor is going to make achieving shallow depth of field tougher and the Sony A9 II will give more detail using its extra 4MP. Higher resolution will also let you crop pictures somewhat more aggressively. The newer E-M10 IV should have an advantage in sensor technology.