Olympus E-M1 II vs Sony RX100 IV

The following is a extended assessment of the Olympus E-M1 II and Sony RX100 IV, one is a Pro Mirrorless and the latter is a Large Sensor Compact by rivals Olympus and Sony. The sensor resolution of the E-M1 II (20MP) and the RX100 IV (20MP) is pretty close but the E-M1 II (Four Thirds) and RX100 IV (1") have totally different sensor sizes.

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The E-M1 II was revealed 16 months after the RX100 IV which makes them a generation away from one another. Both of the cameras have different body design with the Olympus E-M1 II being a SLR-style mirrorless camera and the Sony RX100 IV being a Large Sensor Compact camera.

Before getting into a thorough comparison, here is a concise synopsis of how the E-M1 II scores against the RX100 IV in terms of portability, imaging, features and an overall mark.

Here is a preview of the gallery images for Olympus OM-D E-M1 Mark II and Sony Cyber-shot DSC-RX100 IV. The full galleries are available at Olympus E-M1 II Gallery and Sony RX100 IV Gallery.

If you are planning to travel with your camera often, you need to think about its weight and proportions. The Olympus E-M1 II features outer measurements of 134mm x 91mm x 67mm (5.3" x 3.6" x 2.6") with a weight of 574 grams (1.27 lbs) and the Sony RX100 IV has measurements of 102mm x 58mm x 41mm (4.0" x 2.3" x 1.6") with a weight of 298 grams (0.66 lbs).

Check out the Olympus E-M1 II and Sony RX100 IV in the new Camera with Lens Size Comparison Tool.

Do not forget, the weight of an Interchangeable Lens Camera will vary dependant on the lens you have chosen during that time. The following is a front view dimensions comparison of the E-M1 II versus the RX100 IV.

Taking into account dimensions and weight, the portability rating of the E-M1 II and RX100 IV is 68 and 89 respectively.

Typically, its hard to visualise the difference in sensor dimensions simply by looking through specifications. The picture underneath may give you a greater sense of the sensor measurements in the E-M1 II and RX100 IV.

To sum up, both of these cameras provide the same megapixel count albeit not the same sensor dimensions. The E-M1 II uses the bigger sensor which is going to make obtaining shallower depth of field less difficult. The fresher E-M1 II will have a benefit in sensor technology.