Olympus E-M5 III vs Sony A7R II

Below is a detailed assessment of the Olympus E-M5 III versus Sony A7R II, former being a Advanced Mirrorless while the other is a Pro Mirrorless by competitors Olympus and Sony. There is a sizable difference between the sensor resolutions of the E-M5 III (20MP) and A7R II (42MP) and the E-M5 III (Four Thirds) and A7R II (Full frame) use different sensor measurements.

Japan-exclusive Leica Leitz Phone 3 features big sensor and new modes

The E-M5 III was manufactured 4 years later than the A7R II and that is quite a significant difference as far as tech is concerned. Both cameras come with the identical body type (SLR-style mirrorless).

Before going in to a comprehensive comparison, below is a brief synopsis of how the E-M5 III matches up versus the A7R II in the way of portability, imaging, features and an overall grade.

This is a sample of the gallery pictures for Olympus OM-D E-M5 III & Sony Alpha A7R II. The entire galleries are provided at Olympus E-M5 III Gallery & Sony A7R II Gallery.

For anyone who is planning to lug around your camera frequently, you will want to think about its weight and dimensions. The Olympus E-M5 III has outside dimensions of 125mm x 85mm x 50mm (4.9" x 3.3" x 2.0") accompanied by a weight of 414 grams (0.91 lbs) whilst the Sony A7R II has dimensions of 127mm x 96mm x 60mm (5.0" x 3.8" x 2.4") and a weight of 625 grams (1.38 lbs).

Contrast the Olympus E-M5 III versus Sony A7R II in our completely new Camera plus Lens Size Comparison Tool.

Keep in mind, the weight of an ILC will differ dependant on the lens you use at that moment. Here is the front view over all size comparison of the E-M5 III compared to the A7R II.

Taking into consideration size and weight, the portability rating of the E-M5 III and A7R II is 80 and 68 respectively.

Often, its difficult to visualize the contrast between sensor measurements merely by reviewing technical specs. The photograph here will give you a better sense of the sensor sizes in the E-M5 III and A7R II.

As you can tell, each of these cameras have got different megapixel count and different sensor measurements. The E-M5 III due to its tinier sensor is going to make achieving bokeh more difficult and the Sony A7R II will offer you extra detail due to its extra 22MP. Greater resolution can also let you crop images much more aggressively. The younger E-M5 III provides an advantage when it comes to sensor innovation.