Olympus E-M1 III vs Sony RX1

Its time to look a bit more in depth at the Olympus E-M1 III and Sony RX1, former being a Pro Mirrorless while the latter is a Large Sensor Compact by competitors Olympus and Sony. The sensor resolution of the E-M1 III (20MP) and the RX1 (24MP) is relatively comparable but the E-M1 III (Four Thirds) and RX1 (Full frame) feature totally different sensor size.

Meta to Introduce 'AI-Generated' Labels for Media starting next month

The E-M1 III was brought out 7 years later than the RX1 and that is a fairly serious difference as far as camera technology is concerned. Both of the cameras offer different body type with the Olympus E-M1 III being a SLR-style mirrorless camera and the Sony RX1 being a Large Sensor Compact camera.

Before we go straight into a step-by-step comparison, below is a brief overview of how the E-M1 III matches up versus the RX1 for portability, imaging, features and an overall rating.

Here is a preview of the gallery photos for Olympus OM-D E-M1 Mark III & Sony Cyber-shot DSC-RX1. The entire galleries are viewable at Olympus E-M1 III Gallery & Sony RX1 Gallery.

For anybody who is looking to carry your camera, you will want to take into account its weight and proportions. The Olympus E-M1 III enjoys outside dimensions of 134mm x 91mm x 69mm (5.3" x 3.6" x 2.7") having a weight of 580 grams (1.28 lbs) while the Sony RX1 has measurements of 113mm x 65mm x 70mm (4.4" x 2.6" x 2.8") having a weight of 482 grams (1.06 lbs).

Check the Olympus E-M1 III and Sony RX1 in our brand new Camera plus Lens Size Comparison Tool.

Bear in mind, the weight of an ILC will differ depending on the lens you choose at that moment. Underneath is the front view scale comparison of the E-M1 III compared to the RX1.

Looking at dimensions and weight, the portability score of the E-M1 III and RX1 is 67 and 79 respectively.

More often than not, its tough to envision the gap in sensor sizing merely by checking out specs. The visual below may provide you a greater sense of the sensor dimensions in the E-M1 III and RX1.

All in all, both of the cameras enjoy different megapixel count and different sensor sizing. The E-M1 III featuring a smaller sensor will make achieving shallow depth of field more challenging and the Sony RX1 will produce greater detail having its extra 4MP. Higher resolution will let you crop shots far more aggressively. The more recent E-M1 III is going to have an advantage with regard to sensor technology.