Olympus E-PL9 vs Sony A7R III

Here, we are evaluating the Olympus E-PL9 and Sony A7R III, former being a Entry-Level Mirrorless while the other is a Pro Mirrorless by manufacturers Olympus and Sony. There is a noticeable difference between the image resolutions of the E-PL9 (16MP) and A7R III (42MP) and the E-PL9 (Four Thirds) and A7R III (Full frame) provide different sensor size.

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The E-PL9 was unveiled 4 months later than the A7R III which means that they are both of a similar age. Each of these cameras feature different body design with the Olympus E-PL9 being a Rangefinder-style mirrorless camera and the Sony A7R III being a SLR-style mirrorless camera.

Before diving straight to a step-by-step comparison, here is a brief summation of how the E-PL9 scores versus the A7R III in terms of portability, imaging, features and an overall grade.

This is a sample of the gallery pictures for Olympus PEN E-PL9 & Sony Alpha A7R III. The full galleries are viewable at Olympus E-PL9 Gallery & Sony A7R III Gallery.

For anyone who is intending to lug around your camera, you will have to factor its weight and volume. The Olympus E-PL9 offers outer dimensions of 117mm x 68mm x 39mm (4.6" x 2.7" x 1.5") along with a weight of 380 grams (0.84 lbs) and the Sony A7R III has sizing of 127mm x 96mm x 74mm (5.0" x 3.8" x 2.9") accompanied by a weight of 657 grams (1.45 lbs).

Examine the Olympus E-PL9 and Sony A7R III in our newest Camera & Lens Size Comparison Tool.

Don't forget, the weight of an ILC will vary dependant on the lens you are utilizing at that time. Here is a front view size comparison of the E-PL9 and the A7R III.

Considering size and weight, the portability score of the E-PL9 and A7R III is 85 and 63 respectively.

Often, it is very tough to imagine the contrast between sensor measurements simply by reading specs. The photograph here will provide you a more clear sense of the sensor sizes in the E-PL9 and A7R III.

As you can plainly see, both of those cameras feature different megapixels and different sensor measurements. The E-PL9 with its tinier sensor is going to make shooting shallower depth of field more difficult and the Sony A7R III will offer greater detail having an extra 26 Megapixels. Greater resolution can also enable you to crop photos way more aggressively.