Canon M3 vs Sony RX100 III

Below, we are comparing the Canon M3 versus Sony RX100 III, one being a Entry-Level Mirrorless and the other is a Large Sensor Compact by rivals Canon and Sony. The image resolution of the M3 (24MP) and the RX100 III (20MP) is fairly similar but the M3 (APS-C) and RX100 III (1") possess totally different sensor sizes.

Photography Glossary

The M3 was introduced 9 months later than the RX100 III and they are both of a similar generation. Each of these cameras come with different body type with the Canon M3 being a Rangefinder-style mirrorless camera and the Sony RX100 III being a Large Sensor Compact camera.

Before delving straight into a in-depth comparison, below is a brief overview of how the M3 matches up vs the RX100 III in relation to portability, imaging, features and an overall grade.

Below is a sample of the gallery pictures for Canon EOS M3 and Sony Cyber-shot DSC-RX100 III. The whole galleries are viewable at Canon M3 Gallery and Sony RX100 III Gallery.

When you are aiming to lug around your camera, you are going to need to consider its weight and volume. The Canon M3 offers outer measurements of 111mm x 68mm x 44mm (4.4" x 2.7" x 1.7") accompanied by a weight of 366 grams (0.81 lbs) whilst the Sony RX100 III has sizing of 102mm x 58mm x 41mm (4.0" x 2.3" x 1.6") accompanied by a weight of 290 grams (0.64 lbs).

See the Canon M3 versus Sony RX100 III in the latest Camera with Lens Size Comparison Tool.

Keep in mind, the weight of an Interchangeable Lens Camera will differ dependant on the lens you are employing at that time. Following is the front view over all size comparison of the M3 versus the RX100 III.

Taking into account dimensions and weight, the portability grade of the M3 and RX100 III is 85 and 89 respectively.

Typically, it can be tough to envision the difference between sensor measurements only by reading specs. The graphic below may offer you a stronger sense of the sensor sizing in the M3 and RX100 III.

As you can plainly see, both the cameras have got different megapixels and different sensor measurements. The M3 having a larger sensor will make shooting shallower DOF simpler and the Canon M3 will offer extra detail using its extra 4 Megapixels. Greater resolution will also make it easier to crop pics much more aggressively. The more modern M3 is going to have a benefit in sensor innovation.