Olympus E-M1X vs Sony A7R III

Below is a extensive analysis of the Olympus E-M1X versus Sony A7R III, both Pro Mirrorless digital cameras by companies Olympus and Sony. There is a substantial difference between the resolutions of the E-M1X (20MP) and A7R III (42MP) and the E-M1X (Four Thirds) and A7R III (Full frame) offer different sensor sizes.

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The E-M1X was announced 16 months later than the A7R III making them a generation apart from each other. Both of the cameras have the same body design (SLR-style mirrorless).

Before getting into a complete comparison, here is a concise summation of how the E-M1X matches up against the A7R III when it comes to portability, imaging, features and an overall grade.

Below is a sample of the gallery pictures for Olympus OM-D E-M1X & Sony Alpha A7R III. The whole galleries are provided at Olympus E-M1X Gallery & Sony A7R III Gallery.

For anyone who is aiming to lug around your camera, you will need to consider its weight and volume. The Olympus E-M1X comes with physical measurements of 144mm x 147mm x 75mm (5.7" x 5.8" x 3.0") accompanied by a weight of 997 grams (2.20 lbs) while the Sony A7R III has sizing of 127mm x 96mm x 74mm (5.0" x 3.8" x 2.9") having a weight of 657 grams (1.45 lbs).

See the Olympus E-M1X versus Sony A7R III in our completely new Camera & Lens Size Comparison Tool.

Don't forget, the weight of an ILC will vary dependant on the lens you select at the time. Below is a front view measurement comparison of the E-M1X vs the A7R III.

Taking into consideration size and weight, the portability rating of the E-M1X and A7R III is 54 and 63 respectively.

Often, it is very tough to picture the gap between sensor measurements simply by reading through a spec sheet. The photograph underneath may provide you a better sense of the sensor measurements in the E-M1X and A7R III.

Clearly, both of the cameras have different megapixels and different sensor measurements. The E-M1X using its tinier sensor is going to make shooting bokeh harder and the Sony A7R III will give greater detail with its extra 22MP. Greater resolution will also enable you to crop pics a bit more aggressively. The newer E-M1X should have an edge with regard to sensor innovation.