Olympus E-M10 IV vs Sony A7 II

Let's examine more closely at the Olympus E-M10 IV vs Sony A7 II, one being a Entry-Level Mirrorless and the other is a Pro Mirrorless by competitors Olympus and Sony. The image resolution of the E-M10 IV (20MP) and the A7 II (24MP) is fairly similar but the E-M10 IV (Four Thirds) and A7 II (Full frame) come with totally different sensor size.

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The E-M10 IV was introduced 5 years later than the A7 II and that is quite a big gap as far as technology is concerned. Both the cameras offer the identical body type (SLR-style mirrorless).

Before delving in to a step-by-step comparison, below is a simple introduction of how the E-M10 IV grades versus the A7 II for portability, imaging, features and an overall rating.

Here is a sample of the gallery pictures for Olympus OM-D E-M10 IV and Sony Alpha A7 II. The whole galleries are viewable at Olympus E-M10 IV Gallery and Sony A7 II Gallery.

In case you're looking to carry your camera, you need to consider its weight and proportions. The Olympus E-M10 IV has got outside measurements of 122mm x 84mm x 49mm (4.8" x 3.3" x 1.9") with a weight of 383 grams (0.84 lbs) and the Sony A7 II has measurements of 127mm x 96mm x 60mm (5.0" x 3.8" x 2.4") accompanied by a weight of 599 grams (1.32 lbs).

Take a look at the Olympus E-M10 IV vs Sony A7 II in the latest Camera and Lens Size Comparison Tool.

Do not forget, the weight of an Interchangeable Lens Camera will vary dependant on the lens you are using at the time. The following is the front view measurement comparison of the E-M10 IV vs the A7 II.

Looking at dimensions and weight, the portability grade of the E-M10 IV and A7 II is 81 and 69 respectively.

Sometimes, it is difficult to see the contrast between sensor sizing simply by reviewing a spec sheet. The visual below will help provide you a better sense of the sensor measurements in the E-M10 IV and A7 II.

Clearly, both the cameras enjoy different resolutions and different sensor sizing. The E-M10 IV using its tinier sensor will make getting shallow depth of field trickier and the Sony A7 II will deliver more detail using its extra 4 Megapixels. Greater resolution will also let you crop images far more aggressively. The more modern E-M10 IV is going to have an edge in sensor tech.