Pentax I-10 vs Ricoh GR Digital III

On this page, we will be matching up the Pentax I-10 and Ricoh GR Digital III, both Small Sensor Compact cameras by competitors Pentax and Ricoh. The resolution of the I-10 (12MP) and the GR Digital III (10MP) is pretty close but the I-10 (1/2.3") and GR Digital III (1/1.7") have different sensor measurements.

Photography Glossary

The I-10 was released 7 months after the GR Digital III which means that they are of a similar age. Both of these cameras have the same body design (Compact).

Before getting straight to a detailed comparison, here is a quick introduction of how the I-10 matches up versus the GR Digital III with regards to portability, imaging, features and an overall score.

Below is a preview of the gallery images for Pentax Optio I-10 & Ricoh GR Digital III. The complete galleries are provided at Pentax I-10 Gallery & Ricoh GR Digital III Gallery.

In case you're intending to carry around your camera frequently, you're going to have to factor its weight and volume. The Pentax I-10 has got outer measurements of 101mm x 65mm x 28mm (4.0" x 2.6" x 1.1") having a weight of 153 grams (0.34 lbs) while the Ricoh GR Digital III has sizing of 109mm x 59mm x 26mm (4.3" x 2.3" x 1.0") with a weight of 208 grams (0.46 lbs).

Examine the Pentax I-10 and Ricoh GR Digital III in our newest Camera plus Lens Size Comparison Tool.

Take into consideration, the weight of an ILC will vary dependant on the lens you are using during that time. Below is a front view overall size comparison of the I-10 and the GR Digital III.

Looking at dimensions and weight, the portability grade of the I-10 and GR Digital III is 93 and 92 respectively.

Sometimes, it is very difficult to visualize the contrast in sensor sizes purely by looking through technical specs. The picture underneath might provide you a greater sense of the sensor measurements in the I-10 and GR Digital III.

As you can tell, the 2 cameras provide different megapixels and different sensor sizes. The I-10 featuring a smaller sensor is going to make achieving shallow DOF more difficult and the Pentax I-10 will provide you with greater detail as a result of its extra 2MP. Higher resolution will help you crop photographs more aggressively. The fresher I-10 should have an advantage in sensor tech.