Olympus E-M5 III vs Sony NEX-5R

On this page, we are comparing the Olympus E-M5 III vs Sony NEX-5R, one is a Advanced Mirrorless and the other is a Entry-Level Mirrorless by rivals Olympus and Sony. There is a crucial difference between the image resolutions of the E-M5 III (20MP) and NEX-5R (16MP) and the E-M5 III (Four Thirds) and NEX-5R (APS-C) posses totally different sensor sizes.

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The E-M5 III was announced 7 years after the NEX-5R which is quite a serious gap as far as tech is concerned. The two cameras have different body design with the Olympus E-M5 III being a SLR-style mirrorless camera and the Sony NEX-5R being a Rangefinder-style mirrorless camera.

Before going straight to a more detailed comparison, here is a concise overview of how the E-M5 III grades versus the NEX-5R with respect to portability, imaging, features and an overall mark.

Here is a sample of the gallery pictures for Olympus OM-D E-M5 III and Sony Alpha NEX-5R. The whole galleries are available at Olympus E-M5 III Gallery and Sony NEX-5R Gallery.

When you are going to travel with your camera frequently, you have to factor its weight and proportions. The Olympus E-M5 III has got outside dimensions of 125mm x 85mm x 50mm (4.9" x 3.3" x 2.0") having a weight of 414 grams (0.91 lbs) and the Sony NEX-5R has measurements of 111mm x 59mm x 39mm (4.4" x 2.3" x 1.5") with a weight of 276 grams (0.61 lbs).

Take a look at the Olympus E-M5 III vs Sony NEX-5R in the new Camera and Lens Size Comparison Tool.

Don't forget, the weight of an Interchangeable Lens Camera will change dependant on the lens you are working with at that time. The following is a front view sizing comparison of the E-M5 III vs the NEX-5R.

Looking at size and weight, the portability rating of the E-M5 III and NEX-5R is 80 and 89 respectively.

Oftentimes, it is hard to see the gap between sensor dimensions just by going over specifications. The image underneath will help provide you a better sense of the sensor dimensions in the E-M5 III and NEX-5R.

To sum up, both of those cameras provide different megapixel count and different sensor dimensions. The E-M5 III using its tinier sensor will make getting shallow depth of field harder and the Olympus E-M5 III will offer greater detail with its extra 4MP. Greater resolution will also allow you to crop photos more aggressively. The more modern E-M5 III will have an advantage when it comes to sensor tech.