Olympus E-M1 III vs Sony HX300

Here, we will be looking at the Olympus E-M1 III vs Sony HX300, one being a Pro Mirrorless and the latter is a Small Sensor Superzoom by competitors Olympus and Sony. The sensor resolution of the E-M1 III (20MP) and the HX300 (20MP) is pretty similar but the E-M1 III (Four Thirds) and HX300 (1/2.3") have different sensor sizes.

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The E-M1 III was launched 7 years later than the HX300 and that is quite a serious gap as far as tech is concerned. Both of these cameras feature different body design with the Olympus E-M1 III being a SLR-style mirrorless camera and the Sony HX300 being a SLR-like (bridge) camera.

Before going into a in depth comparison, here is a short highlight of how the E-M1 III grades versus the HX300 with regard to portability, imaging, features and an overall rating.

Here is a preview of the gallery images for Olympus OM-D E-M1 Mark III and Sony Cyber-shot DSC-HX300. The complete galleries are available at Olympus E-M1 III Gallery and Sony HX300 Gallery.

If you're aiming to carry your camera, you'll need to factor its weight and size. The Olympus E-M1 III features external measurements of 134mm x 91mm x 69mm (5.3" x 3.6" x 2.7") having a weight of 580 grams (1.28 lbs) whilst the Sony HX300 has specifications of 130mm x 103mm x 93mm (5.1" x 4.1" x 3.7") along with a weight of 623 grams (1.37 lbs).

Look at the Olympus E-M1 III vs Sony HX300 in the latest Camera and Lens Size Comparison Tool.

Bear in mind, the weight of an Interchangeable Lens Camera will vary based on the lens you are working with at that moment. The following is a front view over all size comparison of the E-M1 III against the HX300.

Taking into consideration size and weight, the portability rating of the E-M1 III and HX300 is 67 and 63 respectively.

Usually, it is hard to imagine the contrast between sensor sizing only by reading specifications. The graphic below might provide you a greater sense of the sensor measurements in the E-M1 III and HX300.

To sum up, both of the cameras come with the identical MP albeit different sensor sizing. The E-M1 III has the bigger sensor which will make obtaining shallower DOF simpler. The more modern E-M1 III should have an advantage when it comes to sensor innovation.