Olympus E-620 vs Sony A7 III

Following is a comprehensive overview of the Olympus E-620 versus Sony A7 III, former is a Entry-Level DSLR while the other is a Pro Mirrorless by rivals Olympus and Sony. There is a substantial difference between the resolutions of the E-620 (12MP) and A7 III (24MP) and the E-620 (Four Thirds) and A7 III (Full frame) provide different sensor dimensions.

Photography Glossary

The E-620 was manufactured 9 years earlier than the A7 III which is quite a big difference as far as tech is concerned. Each of these cameras have different body design with the Olympus E-620 being a Compact SLR camera and the Sony A7 III being a SLR-style mirrorless camera.

Before we go right into a step-by-step comparison, here is a simple overview of how the E-620 grades versus the A7 III for portability, imaging, features and an overall score.

Here is a sample of the gallery pics for Olympus E-620 & Sony Alpha A7 III. The entire galleries are viewable at Olympus E-620 Gallery & Sony A7 III Gallery.

For anyone who is going to carry around your camera regularly, you will want to factor its weight and dimensions. The Olympus E-620 offers external dimensions of 130mm x 94mm x 60mm (5.1" x 3.7" x 2.4") having a weight of 500 grams (1.10 lbs) and the Sony A7 III has dimensions of 127mm x 96mm x 74mm (5.0" x 3.8" x 2.9") and a weight of 650 grams (1.43 lbs).

Compare the Olympus E-620 versus Sony A7 III in our brand new Camera & Lens Size Comparison Tool.

Do not forget, the weight of an ILC will change dependant on the lens you have at that moment. Underneath is a front view physical size comparison of the E-620 compared to the A7 III.

Considering size and weight, the portability grade of the E-620 and A7 III is 71 and 63 respectively.

Generally, it is very hard to imagine the gap between sensor sizes only by going over a spec sheet. The image underneath will provide you a better sense of the sensor sizes in the E-620 and A7 III.

As you can see, each of the cameras provide different megapixel count and different sensor sizes. The E-620 because of its tinier sensor is going to make shooting bokeh more difficult and the Sony A7 III will offer extra detail due to its extra 12 Megapixels. Greater resolution can also enable you to crop photos more aggressively. The more aged E-620 is going to be behind in sensor innovation.