Olympus E-M5 III vs Panasonic S1

Lets look a bit more closely at the Olympus E-M5 III and Panasonic S1, former being a Advanced Mirrorless while the latter is a Small Sensor Compact by manufacturers Olympus and Panasonic. There is a large difference between the resolutions of the E-M5 III (20MP) and S1 (12MP) and the E-M5 III (Four Thirds) and S1 (1/2.3") feature totally different sensor size.

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The E-M5 III was unveiled 8 years later than the S1 and that is quite a serious difference as far as tech is concerned. Each of these cameras offer different body type with the Olympus E-M5 III being a SLR-style mirrorless camera and the Panasonic S1 being a Compact camera.

Before going through a comprehensive comparison, below is a brief view of how the E-M5 III matches up versus the S1 with regard to portability, imaging, features and an overall grade.

The following is a preview of the gallery photos for Olympus OM-D E-M5 III & Panasonic Lumix DMC-S1. The full galleries are provided at Olympus E-M5 III Gallery & Panasonic S1 Gallery.

For anybody who is looking to lug around your camera often, you're going to have to think about its weight and dimensions. The Olympus E-M5 III offers external measurements of 125mm x 85mm x 50mm (4.9" x 3.3" x 2.0") and a weight of 414 grams (0.91 lbs) and the Panasonic S1 has dimensions of 99mm x 59mm x 21mm (3.9" x 2.3" x 0.8") with a weight of 117 grams (0.26 lbs).

Check the Olympus E-M5 III and Panasonic S1 in our brand new Camera & Lens Size Comparison Tool.

Don't forget, the weight of an ILC will vary based on the lens you are using at that moment. Underneath is the front view dimensions comparison of the E-M5 III vs the S1.

Looking at size and weight, the portability grade of the E-M5 III and S1 is 80 and 96 respectively.

In many cases, it's hard to see the contrast between sensor measurements only by going over a spec sheet. The visual here should offer you a better sense of the sensor sizing in the E-M5 III and S1.

As you can see, the 2 cameras offer different megapixel count and different sensor measurements. The E-M5 III using its bigger sensor will make shooting shallow depth of field easier and the Olympus E-M5 III will offer you greater detail having an extra 8MP. Higher resolution will also enable you to crop photographs a little more aggressively. The fresher E-M5 III will have an advantage with regard to sensor tech.