Olympus FE-4000 vs Sony A7R III

Lets take a closer look at the Olympus FE-4000 and Sony A7R III, one is a Small Sensor Compact and the other is a Pro Mirrorless by rivals Olympus and Sony. There exists a significant gap between the sensor resolutions of the FE-4000 (12MP) and A7R III (42MP) and the FE-4000 (1/2.3") and A7R III (Full frame) come with different sensor size.

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The FE-4000 was brought out 9 years earlier than the A7R III which is quite a sizable gap as far as technology is concerned. The two cameras come with different body type with the Olympus FE-4000 being a Compact camera and the Sony A7R III being a SLR-style mirrorless camera.

Before delving straight into a in depth comparison, below is a quick overview of how the FE-4000 scores versus the A7R III when considering portability, imaging, features and an overall score.

Here is a sample of the gallery pics for Olympus FE-4000 and Sony Alpha A7R III. The entire galleries are provided at Olympus FE-4000 Gallery and Sony A7R III Gallery.

For those who are going to carry around your camera often, you'll need to take into account its weight and volume. The Olympus FE-4000 enjoys outside measurements of 95mm x 57mm x 22mm (3.7" x 2.2" x 0.9") having a weight of 136 grams (0.30 lbs) and the Sony A7R III has sizing of 127mm x 96mm x 74mm (5.0" x 3.8" x 2.9") having a weight of 657 grams (1.45 lbs).

Compare the Olympus FE-4000 and Sony A7R III in the latest Camera and Lens Size Comparison Tool.

Do not forget, the weight of an Interchangeable Lens Camera will vary dependant on the lens you have chosen at that moment. Underneath is the front view measurement comparison of the FE-4000 against the A7R III.

Looking at dimensions and weight, the portability grade of the FE-4000 and A7R III is 95 and 63 respectively.

Quite often, it's difficult to visualize the difference between sensor sizes just by reading through technical specs. The pic here will offer you a better sense of the sensor sizing in the FE-4000 and A7R III.

As you have seen, each of these cameras posses different megapixels and different sensor sizes. The FE-4000 because of its tinier sensor is going to make getting shallow DOF tougher and the Sony A7R III will resolve extra detail having its extra 30 Megapixels. Greater resolution will also let you crop photos somewhat more aggressively. The more aged FE-4000 is going to be disadvantaged when it comes to sensor innovation.