Olympus FE-4000 vs Sony A7 III

On this page, we will be analyzing the Olympus FE-4000 vs Sony A7 III, former being a Small Sensor Compact while the latter is a Pro Mirrorless by manufacturers Olympus and Sony. There exists a sizable gap among the sensor resolutions of the FE-4000 (12MP) and A7 III (24MP) and the FE-4000 (1/2.3") and A7 III (Full frame) posses totally different sensor measurements.

Photography Glossary

The FE-4000 was released 9 years earlier than the A7 III and that is a fairly significant difference as far as camera technology is concerned. Both of the cameras have different body design with the Olympus FE-4000 being a Compact camera and the Sony A7 III being a SLR-style mirrorless camera.

Before getting right into a more detailed comparison, here is a simple summation of how the FE-4000 scores against the A7 III in terms of portability, imaging, features and an overall grade.

Below is a preview of the gallery images for Olympus FE-4000 & Sony Alpha A7 III. The complete galleries are viewable at Olympus FE-4000 Gallery & Sony A7 III Gallery.

For those who are intending to lug around your camera, you'll have to think about its weight and size. The Olympus FE-4000 has exterior dimensions of 95mm x 57mm x 22mm (3.7" x 2.2" x 0.9") accompanied by a weight of 136 grams (0.30 lbs) while the Sony A7 III has specifications of 127mm x 96mm x 74mm (5.0" x 3.8" x 2.9") and a weight of 650 grams (1.43 lbs).

Look at the Olympus FE-4000 vs Sony A7 III in our newest Camera & Lens Size Comparison Tool.

Always remember, the weight of an ILC will change based on the lens you are working with during that time. The following is a front view overall size comparison of the FE-4000 compared to the A7 III.

Factoring in dimensions and weight, the portability rating of the FE-4000 and A7 III is 95 and 63 respectively.

More often than not, it is very tough to envision the difference in sensor measurements just by going through technical specs. The graphic underneath may provide you a clearer sense of the sensor dimensions in the FE-4000 and A7 III.

As you can tell, the 2 cameras provide different resolutions and different sensor measurements. The FE-4000 featuring a smaller sensor will make shooting bokeh tougher and the Sony A7 III will produce extra detail as a result of its extra 12MP. Higher resolution will also let you crop photographs more aggressively. The older FE-4000 will be disadvantaged with regard to sensor innovation.