Olympus FE-4000 vs Sony RX100 IV

Following is a extended review of the Olympus FE-4000 and Sony RX100 IV, one is a Small Sensor Compact and the other is a Large Sensor Compact by manufacturers Olympus and Sony. There is a sizeable difference between the sensor resolutions of the FE-4000 (12MP) and RX100 IV (20MP) and the FE-4000 (1/2.3") and RX100 IV (1") have totally different sensor sizing.

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The FE-4000 was announced 6 years prior to the RX100 IV which is quite a large gap as far as tech is concerned. Both cameras feature different body design with the Olympus FE-4000 being a Compact camera and the Sony RX100 IV being a Large Sensor Compact camera.

Before we go straight to a more detailed comparison, here is a concise view of how the FE-4000 scores vs the RX100 IV in terms of portability, imaging, features and an overall score.

This is a sample of the gallery pictures for Olympus FE-4000 and Sony Cyber-shot DSC-RX100 IV. The whole galleries are viewable at Olympus FE-4000 Gallery and Sony RX100 IV Gallery.

For anybody who is planning to carry around your camera frequently, you will want to consider its weight and volume. The Olympus FE-4000 comes with exterior 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 RX100 IV has sizing of 102mm x 58mm x 41mm (4.0" x 2.3" x 1.6") along with a weight of 298 grams (0.66 lbs).

Contrast the Olympus FE-4000 and Sony RX100 IV in the latest Camera and Lens Size Comparison Tool.

Don't forget, the weight of an Interchangeable Lens Camera will vary based on the lens you have attached during that time. The following is a front view dimension comparison of the FE-4000 versus the RX100 IV.

Factoring in size and weight, the portability rating of the FE-4000 and RX100 IV is 95 and 89 respectively.

Oftentimes, it is very tough to envision the contrast between sensor sizes purely by checking a spec sheet. The pic below will help give you a clearer sense of the sensor measurements in the FE-4000 and RX100 IV.

Clearly, both of these cameras come with different megapixel count and different sensor sizes. The FE-4000 with its tinier sensor will make achieving shallower depth of field harder and the Sony RX100 IV will resolve more detail with its extra 8 Megapixels. Greater resolution will also enable you to crop photos a good deal more aggressively. The more aged FE-4000 is going to be behind in sensor innovation.