Olympus E-M10 IV vs Sony A7R II

Below, we will be contrasting the Olympus E-M10 IV versus Sony A7R II, one being a Entry-Level Mirrorless and the latter is a Pro Mirrorless by companies Olympus and Sony. There is a huge difference among the sensor resolutions of the E-M10 IV (20MP) and A7R II (42MP) and the E-M10 IV (Four Thirds) and A7R II (Full frame) come with totally different sensor size.

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The E-M10 IV was unveiled 5 years later than the A7R II and that is a fairly significant gap as far as camera tech is concerned. Both the cameras come with the identical body type (SLR-style mirrorless).

Before we go in to a detailed comparison, below is a brief view of how the E-M10 IV matches up vs the A7R II in regards to portability, imaging, features and an overall rating.

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

For anybody who is planning to carry your camera frequently, you will need to factor in its weight and size. The Olympus E-M10 IV comes with exterior measurements of 122mm x 84mm x 49mm (4.8" x 3.3" x 1.9") having a weight of 383 grams (0.84 lbs) whilst the Sony A7R II has specifications of 127mm x 96mm x 60mm (5.0" x 3.8" x 2.4") accompanied by a weight of 625 grams (1.38 lbs).

See the Olympus E-M10 IV versus Sony A7R II in the new Camera with Lens Size Comparison Tool.

Bear in mind, the weight of an Interchangeable Lens Camera will differ depending on the lens you use at that time. Here is the front view dimensions comparison of the E-M10 IV and the A7R II.

Considering size and weight, the portability grade of the E-M10 IV and A7R II is 81 and 68 respectively.

Oftentimes, it is difficult to see the gap in sensor sizing merely by seeing specifications. The visual here may offer you a better sense of the sensor measurements in the E-M10 IV and A7R II.

Plainly, both of these cameras have got different megapixel count and different sensor sizing. The E-M10 IV with its smaller sensor will make shooting shallow DOF tougher and the Sony A7R II will provide greater detail having an extra 22 Megapixels. Higher resolution can also let you crop photographs much more aggressively. The more recent E-M10 IV is going to have an edge when it comes to sensor technology.