Canon M3 vs Ricoh GR III

Here is a thorough overview of the Canon M3 and Ricoh GR III, one being a Entry-Level Mirrorless and the latter is a Large Sensor Compact by rivals Canon and Ricoh. The resolution of the M3 (24MP) and the GR III (24MP) is pretty well matched and they use the same exact sensor dimensions (APS-C).

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The M3 was manufactured 4 years prior to the GR III and that is quite a sizable gap as far as tech is concerned. Both of the cameras offer different body type with the Canon M3 being a Rangefinder-style mirrorless camera and the Ricoh GR III being a Large Sensor Compact camera.

Before diving in to a thorough comparison, below is a short summation of how the M3 matches up vs the GR III when it comes to portability, imaging, features and an overall rating.

Here is a preview of the gallery images for Canon EOS M3 and Ricoh GR III. The entire galleries are provided at Canon M3 Gallery and Ricoh GR III Gallery.

If you are intending to carry your camera regularly, you need to consider its weight and measurements. The Canon M3 enjoys external dimensions of 111mm x 68mm x 44mm (4.4" x 2.7" x 1.7") along with a weight of 366 grams (0.81 lbs) whilst the Ricoh GR III has proportions of 109mm x 62mm x 33mm (4.3" x 2.4" x 1.3") along with a weight of 257 grams (0.57 lbs).

Contrast the Canon M3 and Ricoh GR III in the all new Camera with Lens Size Comparison Tool.

Do not forget, the weight of an Interchangeable Lens Camera will change depending on the lens you are using at that moment. Here is the front view measurements comparison of the M3 and the GR III.

Looking at size and weight, the portability score of the M3 and GR III is 85 and 90 respectively.

In many cases, it is very hard to see the difference between sensor sizing merely by reading through technical specs. The visual underneath will help give you a far better sense of the sensor sizes in the M3 and GR III.

As you can tell, each of the cameras offer the same exact sensor sizing and the exact same MP and you should expect similar quality of photos however you really should factor the release date of the products into consideration. The older M3 is going to be disadvantaged in sensor tech.