Olympus E-M1 III vs Sony A390

Below is a complete analysis of the Olympus E-M1 III and Sony A390, one being a Pro Mirrorless and the latter is a Entry-Level DSLR by companies Olympus and Sony. There is a huge difference between the resolutions of the E-M1 III (20MP) and A390 (14MP) and the E-M1 III (Four Thirds) and A390 (APS-C) enjoy different sensor dimensions.

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The E-M1 III was launched 9 years later than the A390 and that is quite a significant gap as far as tech is concerned. Both of the cameras offer different body type with the Olympus E-M1 III being a SLR-style mirrorless camera and the Sony A390 being a Compact SLR camera.

Before we go in to a complete comparison, below is a brief view of how the E-M1 III matches up vs the A390 in terms of portability, imaging, features and an overall grade.

Below is a preview of the gallery images for Olympus OM-D E-M1 Mark III and Sony Alpha DSLR-A390. The complete galleries are provided at Olympus E-M1 III Gallery and Sony A390 Gallery.

When you are looking to lug around your camera regularly, you're going to have to factor its weight and proportions. The Olympus E-M1 III provides 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) whilst the Sony A390 has measurements of 128mm x 97mm x 86mm (5.0" x 3.8" x 3.4") having a weight of 549 grams (1.21 lbs).

Contrast the Olympus E-M1 III and Sony A390 in the all new Camera and Lens Size Comparison Tool.

Take into account, the weight of an Interchangeable Lens Camera will differ depending on the lens you are using at that time. Here is the front view size comparison of the E-M1 III versus the A390.

Taking into consideration size and weight, the portability rating of the E-M1 III and A390 is 67 and 66 respectively.

Generally, it is very hard to picture the contrast between sensor measurements only by going over technical specs. The graphic below might give you a stronger sense of the sensor sizes in the E-M1 III and A390.

As you have seen, each of these cameras enjoy different megapixels and different sensor measurements. The E-M1 III featuring a tinier sensor is going to make getting bokeh tougher and the Olympus E-M1 III will offer greater detail utilizing its extra 6 Megapixels. Higher resolution can also make it easier to crop pictures far more aggressively. The more recent E-M1 III should have a benefit with regard to sensor innovation.