Olympus E-M1 III vs Sony T90

Let's look a little more closely at the Olympus E-M1 III versus Sony T90, one is a Pro Mirrorless and the other is a Ultracompact by brands Olympus and Sony. There exists a big gap between the sensor resolutions of the E-M1 III (20MP) and T90 (12MP) and the E-M1 III (Four Thirds) and T90 (1/2.3") have totally different sensor size.

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The E-M1 III was unveiled 11 years after the T90 which is quite a big gap as far as technology is concerned. Both of these cameras feature different body design with the Olympus E-M1 III being a SLR-style mirrorless camera and the Sony T90 being a Ultracompact camera.

Before we go straight to a full comparison, here is a brief summary of how the E-M1 III scores versus the T90 in relation to portability, imaging, features and an overall score.

Following is a sample of the gallery pictures for Olympus OM-D E-M1 Mark III and Sony Cyber-shot DSC-T90. The full galleries are viewable at Olympus E-M1 III Gallery and Sony T90 Gallery.

In case you're aiming to carry around your camera often, you have to consider its weight and volume. The Olympus E-M1 III comes with physical dimensions of 134mm x 91mm x 69mm (5.3" x 3.6" x 2.7") accompanied by a weight of 580 grams (1.28 lbs) whilst the Sony T90 has sizing of 94mm x 57mm x 15mm (3.7" x 2.2" x 0.6") and a weight of 148 grams (0.33 lbs).

Compare the Olympus E-M1 III versus Sony T90 in the latest Camera and Lens Size Comparison Tool.

Always remember, the weight of an Interchangeable Lens Camera will vary based on the lens you are employing during that time. Underneath is a front view measurements comparison of the E-M1 III and the T90.

Using dimensions and weight, the portability grade of the E-M1 III and T90 is 67 and 96 respectively.

More often than not, it's hard to see the difference between sensor sizes simply by reading a spec sheet. The picture underneath will provide you a much better sense of the sensor sizes in the E-M1 III and T90.

As you can see, the two cameras feature different megapixels and different sensor sizes. The E-M1 III with its larger sensor will make achieving shallower depth of field less difficult and the Olympus E-M1 III will offer more detail having an extra 8MP. Greater resolution will also enable you to crop photos way more aggressively. The younger E-M1 III will have an advantage with regard to sensor innovation.