Olympus E-M1 III vs Panasonic SZ3

On this page, we will be looking at the Olympus E-M1 III and Panasonic SZ3, former is a Pro Mirrorless while the latter is a Small Sensor Compact by companies Olympus and Panasonic. There is a considerable difference between the sensor resolutions of the E-M1 III (20MP) and SZ3 (16MP) and the E-M1 III (Four Thirds) and SZ3 (1/2.3") provide different sensor dimensions.

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The E-M1 III was manufactured 7 years after the SZ3 which is quite a large difference as far as tech is concerned. Each of the cameras have different body design with the Olympus E-M1 III being a SLR-style mirrorless camera and the Panasonic SZ3 being a Compact camera.

Before diving into a in-depth comparison, here is a brief summation of how the E-M1 III grades against the SZ3 when it comes to portability, imaging, features and an overall score.

Following is a preview of the gallery images for Olympus OM-D E-M1 Mark III & Panasonic Lumix DMC-SZ3. The entire galleries are available at Olympus E-M1 III Gallery & Panasonic SZ3 Gallery.

For those who are intending to carry around your camera frequently, you will have to think about its weight and measurements. The Olympus E-M1 III enjoys physical measurements of 134mm x 91mm x 69mm (5.3" x 3.6" x 2.7") accompanied by a weight of 580 grams (1.28 lbs) and the Panasonic SZ3 has proportions of 95mm x 56mm x 22mm (3.7" x 2.2" x 0.9") and a weight of 126 grams (0.28 lbs).

Contrast the Olympus E-M1 III and Panasonic SZ3 in our newest Camera plus Lens Size Comparison Tool.

Do not forget, the weight of an ILC will change depending on the lens you are using at that moment. Below is a front view physical size comparison of the E-M1 III vs the SZ3.

Taking into account size and weight, the portability grade of the E-M1 III and SZ3 is 67 and 96 respectively.

Usually, it is very difficult to imagine the difference between sensor sizes only by checking specifications. The image here may provide you a far better sense of the sensor measurements in the E-M1 III and SZ3.

To sum up, both of those cameras have different megapixel count and different sensor sizes. The E-M1 III due to its bigger sensor is going to make getting bokeh easier and the Olympus E-M1 III will give more detail due to its extra 4MP. Higher resolution can also allow you to crop pictures a bit more aggressively. The more recent E-M1 III provides an edge with regard to sensor innovation.