Olympus E-M5 III vs Sony A6700

Below is a extended review of the Olympus E-M5 III and Sony A6700, both Advanced Mirrorless digital cameras by rivals Olympus and Sony. There exists a large gap between the sensor resolutions of the E-M5 III (20MP) and A6700 (26MP) and the E-M5 III (Four Thirds) and A6700 (APS-C) offer totally different sensor size.

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The E-M5 III was launched 4 years prior to the A6700 and that is quite a serious difference as far as technology is concerned. Each of these cameras have different body design with the Olympus E-M5 III being a SLR-style mirrorless camera and the Sony A6700 being a Rangefinder-style mirrorless camera.

Before going straight to a thorough comparison, here is a short introduction of how the E-M5 III scores versus the A6700 with regard to portability, imaging, features and an overall grade.

The following is a sample of the gallery pics for Olympus OM-D E-M5 III & Sony Alpha a6700. The complete galleries are viewable at Olympus E-M5 III Gallery & Sony A6700 Gallery.

If you're looking to lug around your camera regularly, you will want to think about its weight and dimensions. The Olympus E-M5 III features exterior measurements 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 A6700 has dimensions of 122mm x 69mm x 75mm (4.8" x 2.7" x 3.0") accompanied by a weight of 493 grams (1.09 lbs).

Look at the Olympus E-M5 III and Sony A6700 in our brand new Camera & Lens Size Comparison Tool.

Take into account, the weight of an ILC will change dependant on the lens you have attached at that moment. The following is a front view size comparison of the E-M5 III vs the A6700.

Taking into consideration dimensions and weight, the portability rating of the E-M5 III and A6700 is 80 and 75 respectively.

More often than not, it can be hard to visualise the contrast between sensor measurements merely by looking at specs. The photograph below should offer you a stronger sense of the sensor measurements in the E-M5 III and A6700.

All in all, both the cameras provide different megapixel count and different sensor measurements. The E-M5 III due to its tinier sensor will make achieving bokeh harder and the Sony A6700 will give more detail utilizing its extra 6 Megapixels. Greater resolution can also make it easier to crop images more aggressively. The older E-M5 III is going to be behind in sensor technology.