Casio EX-Z90 vs Ricoh GR Digital III

Let's look a bit more closely at the Casio EX-Z90 and Ricoh GR Digital III, both Small Sensor Compact digital cameras by companies Casio and Ricoh. The image resolution of the EX-Z90 (12MP) and the GR Digital III (10MP) is relatively well matched but the EX-Z90 (1/2.3") and GR Digital III (1/1.7") feature different sensor dimensions.

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The EX-Z90 was revealed within a month of the GR Digital III and they are both of a similar generation. The two cameras offer the identical body type (Compact).

Before getting straight into a complete comparison, below is a quick view of how the EX-Z90 scores vs the GR Digital III with regard to portability, imaging, features and an overall rating.

Following is a preview of the gallery photos for Casio Exilim EX-Z90 and Ricoh GR Digital III. The full galleries are viewable at Casio EX-Z90 Gallery and Ricoh GR Digital III Gallery.

If you're intending to carry your camera often, you will have to consider its weight and proportions. The Casio EX-Z90 has external dimensions of 90mm x 52mm x 19mm (3.5" x 2.0" x 0.7") and a weight of 121 grams (0.27 lbs) and the Ricoh GR Digital III has measurements of 109mm x 59mm x 26mm (4.3" x 2.3" x 1.0") having a weight of 208 grams (0.46 lbs).

Analyze the Casio EX-Z90 and Ricoh GR Digital III in the new Camera and Lens Size Comparison Tool.

Keep in mind, the weight of an Interchangeable Lens Camera will vary depending on the lens you have at the time. Here is the front view scale comparison of the EX-Z90 and the GR Digital III.

Taking into consideration dimensions and weight, the portability grade of the EX-Z90 and GR Digital III is 96 and 92 respectively.

Sometimes, it is difficult to imagine the gap between sensor sizing just by checking specs. The visual below might provide you a greater sense of the sensor sizes in the EX-Z90 and GR Digital III.

As you can plainly see, each of these cameras enjoy different megapixel count and different sensor sizing. The EX-Z90 using its tinier sensor is going to make shooting shallow DOF more difficult and the Casio EX-Z90 will resolve more detail because of its extra 2MP. Higher resolution can also help you crop pictures far more aggressively.