Olympus E-M1 III vs Sony TX100V

Below is a extended review of the Olympus E-M1 III and Sony TX100V, former being a Pro Mirrorless while the latter is a Ultracompact by brands Olympus and Sony. There is a substantial difference between the sensor resolutions of the E-M1 III (20MP) and TX100V (16MP) and the E-M1 III (Four Thirds) and TX100V (1/2.3") boast totally different sensor size.

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The E-M1 III was unveiled 9 years later than the TX100V and that is quite a big difference as far as tech is concerned. Both cameras have different body design with the Olympus E-M1 III being a SLR-style mirrorless camera and the Sony TX100V being a Ultracompact camera.

Before delving into a comprehensive comparison, here is a short introduction of how the E-M1 III matches up against the TX100V in regards to portability, imaging, features and an overall grade.

Following is a preview of the gallery photos for Olympus OM-D E-M1 Mark III & Sony Cyber-shot DSC-TX100V. The full galleries are available at Olympus E-M1 III Gallery & Sony TX100V Gallery.

For anybody who is aiming to lug around your camera regularly, you'll need to factor its weight and size. The Olympus E-M1 III features outside dimensions of 134mm x 91mm x 69mm (5.3" x 3.6" x 2.7") with a weight of 580 grams (1.28 lbs) whilst the Sony TX100V has specifications of 97mm x 59mm x 18mm (3.8" x 2.3" x 0.7") having a weight of 147 grams (0.32 lbs).

Take a look at the Olympus E-M1 III and Sony TX100V in our newest Camera plus Lens Size Comparison Tool.

Do not forget, the weight of an ILC will vary based on the lens you have chosen at that time. Below is a front view over all size comparison of the E-M1 III compared to the TX100V.

Using size and weight, the portability rating of the E-M1 III and TX100V is 67 and 95 respectively.

Generally, it can be hard to envision the difference between sensor measurements only by reading through a spec sheet. The visual underneath might give you a far better sense of the sensor sizes in the E-M1 III and TX100V.

Clearly, the two cameras provide different megapixels and different sensor measurements. The E-M1 III using its bigger sensor will make shooting bokeh easier and the Olympus E-M1 III will give you more detail having an extra 4MP. Higher resolution can also make it easier to crop pictures more aggressively. The more modern E-M1 III will have an advantage when it comes to sensor tech.