Olympus E-M1 III vs Sony TX20

Its time to look a bit more closely at the Olympus E-M1 III vs Sony TX20, former is a Pro Mirrorless while the latter is a Ultracompact by companies Olympus and Sony. There is a substantial difference between the resolutions of the E-M1 III (20MP) and TX20 (16MP) and the E-M1 III (Four Thirds) and TX20 (1/2.3") offer different sensor dimensions.

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The E-M1 III was unveiled 8 years after the TX20 which is quite a big difference as far as tech is concerned. Each of these cameras have different body design with the Olympus E-M1 III being a SLR-style mirrorless camera and the Sony TX20 being a Ultracompact camera.

Before diving into a detailed comparison, here is a short synopsis of how the E-M1 III matches up vs the TX20 when considering portability, imaging, features and an overall score.

Following is a preview of the gallery photos for Olympus OM-D E-M1 Mark III & Sony Cyber-shot DSC-TX20. The full galleries are provided at Olympus E-M1 III Gallery & Sony TX20 Gallery.

In case you're intending to carry around your camera regularly, you will have to take into account its weight and size. The Olympus E-M1 III has got external dimensions of 134mm x 91mm x 69mm (5.3" x 3.6" x 2.7") along with a weight of 580 grams (1.28 lbs) while the Sony TX20 has specifications of 96mm x 56mm x 18mm (3.8" x 2.2" x 0.7") accompanied by a weight of 133 grams (0.29 lbs).

See the Olympus E-M1 III vs Sony TX20 in our newest Camera plus Lens Size Comparison Tool.

Take into consideration, the weight of an ILC will vary depending on the lens you use at that moment. Below is a front view sizing comparison of the E-M1 III and the TX20.

Taking into consideration size and weight, the portability grade of the E-M1 III and TX20 is 67 and 96 respectively.

Generally, it is very tough to picture the contrast between sensor sizes only by checking a spec sheet. The picture underneath may give you a clearer sense of the sensor dimensions in the E-M1 III and TX20.

As you can see, both cameras have different megapixel count and different sensor sizes. The E-M1 III using its bigger sensor is going to make shooting shallower DOF easier and the Olympus E-M1 III will resolve greater detail having an extra 4 Megapixels. Higher resolution will help you crop shots a bit more aggressively. The more recent E-M1 III provides a benefit in sensor technology.