Ricoh GR Digital III vs Sigma DP1

Below, we will be looking at the Ricoh GR Digital III versus Sigma DP1, former being a Small Sensor Compact while the latter is a Large Sensor Compact by brands Ricoh and Sigma. There is a sizable difference between the sensor resolutions of the GR Digital III (10MP) and DP1 (5MP) and the GR Digital III (1/1.7") and DP1 (APS-C) feature totally different sensor sizes.

Photography Glossary

The GR Digital III was unveiled 15 months later than the DP1 which makes the cameras a generation apart from each other. Each of these cameras come with different body type with the Ricoh GR Digital III being a Compact camera and the Sigma DP1 being a Large Sensor Compact camera.

Before delving in to a in-depth comparison, below is a quick overview of how the GR Digital III grades vs the DP1 in terms of portability, imaging, features and an overall grade.

Here is a preview of the gallery images for Ricoh GR Digital III & Sigma DP1. The full galleries are available at Ricoh GR Digital III Gallery & Sigma DP1 Gallery.

In case you're looking to lug around your camera frequently, you will want to consider its weight and size. The Ricoh GR Digital III features physical 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 DP1 has specifications of 113mm x 60mm x 50mm (4.4" x 2.4" x 2.0") with a weight of 270 grams (0.60 lbs).

Examine the Ricoh GR Digital III versus Sigma DP1 in our newest Camera plus Lens Size Comparison Tool.

Remember that, the weight of an ILC will differ depending on the lens you are working with at that time. Here is the front view measurement comparison of the GR Digital III against the DP1.

Taking into consideration size and weight, the portability rating of the GR Digital III and DP1 is 92 and 87 respectively.

Often, it is very hard to see the gap between sensor measurements simply by checking a spec sheet. The visual below will help offer you a far better sense of the sensor measurements in the GR Digital III and DP1.

Clearly, both of those cameras have got different megapixel count and different sensor measurements. The GR Digital III using its tinier sensor will make shooting bokeh more difficult and the Ricoh GR Digital III will give you more detail having an extra 5 Megapixels. Higher resolution will also help you crop pictures much more aggressively. The more recent GR Digital III is going to have an edge with regard to sensor innovation.