Ricoh GR Digital III vs Sigma Quattro

Let's take a closer look at the Ricoh GR Digital III and Sigma Quattro, former is a Small Sensor Compact while the other is a Advanced Mirrorless by companies Ricoh and Sigma. There exists a large gap between the image resolutions of the GR Digital III (10MP) and Quattro (29MP) and the GR Digital III (1/1.7") and Quattro (APS-C) enjoy different sensor measurements.

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The GR Digital III was introduced 7 years before the Quattro which is quite a serious difference as far as technology is concerned. Both of these cameras offer different body type with the Ricoh GR Digital III being a Compact camera and the Sigma Quattro being a Rangefinder-style mirrorless camera.

Before getting in to a comprehensive comparison, below is a short highlight of how the GR Digital III grades versus the Quattro in terms of portability, imaging, features and an overall score.

This is a sample of the gallery pics for Ricoh GR Digital III & Sigma sd Quattro. The whole galleries are viewable at Ricoh GR Digital III Gallery & Sigma Quattro Gallery.

For anybody who is looking to carry around your camera regularly, you have to consider its weight and size. The Ricoh GR Digital III has outer measurements of 109mm x 59mm x 26mm (4.3" x 2.3" x 1.0") with a weight of 208 grams (0.46 lbs) while the Sigma Quattro has specifications of 147mm x 95mm x 91mm (5.8" x 3.7" x 3.6") with a weight of 625 grams (1.38 lbs).

Look at the Ricoh GR Digital III and Sigma Quattro in our newest Camera & Lens Size Comparison Tool.

Remember that, the weight of an ILC will vary based on the lens you are working with during that time. Below is the front view proportions comparison of the GR Digital III vs the Quattro.

Taking into account dimensions and weight, the portability score of the GR Digital III and Quattro is 92 and 63 respectively.

Normally, it can be hard to picture the difference between sensor sizes just by checking a spec sheet. The pic underneath should provide you a more clear sense of the sensor sizing in the GR Digital III and Quattro.

As you can see, each of these cameras offer different megapixel count and different sensor sizes. The GR Digital III using its tinier sensor is going to make getting bokeh tougher and the Sigma Quattro will give extra detail using its extra 19 Megapixels. Greater resolution will make it easier to crop photos a little more aggressively. The more aged GR Digital III is going to be behind in sensor tech.