Olympus FE-25 vs Sony A7R IV

In this write-up, we will be evaluating the Olympus FE-25 vs Sony A7R IV, one being a Ultracompact and the latter is a Pro Mirrorless by manufacturers Olympus and Sony. There exists a sizeable gap between the image resolutions of the FE-25 (10MP) and A7R IV (61MP) and the FE-25 (1/2.3") and A7R IV (Full frame) come with different sensor measurements.

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The FE-25 was revealed 11 years earlier than the A7R IV and that is quite a large gap as far as technology is concerned. Each of these cameras offer different body type with the Olympus FE-25 being a Ultracompact camera and the Sony A7R IV being a SLR-style mirrorless camera.

Before diving in to a more detailed comparison, below is a simple view of how the FE-25 matches up versus the A7R IV with respect to portability, imaging, features and an overall grade.

Below is a preview of the gallery images for Olympus FE-25 and Sony Alpha A7R IV. The full galleries are provided at Olympus FE-25 Gallery and Sony A7R IV Gallery.

For those who are planning to lug around your camera, you have to factor its weight and measurements. The Olympus FE-25 comes with outer measurements of 93mm x 62mm x 24mm (3.7" x 2.4" x 0.9") along with a weight of n/a grams (0.00 lbs) while the Sony A7R IV has proportions of 129mm x 96mm x 78mm (5.1" x 3.8" x 3.1") with a weight of 665 grams (1.47 lbs).

Contrast the Olympus FE-25 vs Sony A7R IV in the all new Camera with Lens Size Comparison Tool.

Remember that, the weight of an Interchangeable Lens Camera will vary depending on the lens you are employing at that time. Underneath is the front view dimension comparison of the FE-25 compared to the A7R IV.

Looking at dimensions and weight, the portability score of the FE-25 and A7R IV is 98 and 62 respectively.

Normally, it is hard to imagine the contrast between sensor measurements purely by checking technical specs. The graphic below will provide you a stronger sense of the sensor measurements in the FE-25 and A7R IV.

As you have seen, both of these cameras enjoy different resolutions and different sensor measurements. The FE-25 using its tinier sensor is going to make achieving shallower depth of field harder and the Sony A7R IV will give extra detail because of its extra 51MP. Higher resolution will also allow you to crop photographs far more aggressively. The older FE-25 is going to be disadvantaged in sensor technology.