Casio EX-Z90 vs Ricoh GR Digital IV

Below is a detailed review of the Casio EX-Z90 versus Ricoh GR Digital IV, both Small Sensor Compact digital cameras by competitors Casio and Ricoh. The sensor resolution of the EX-Z90 (12MP) and the GR Digital IV (10MP) is relatively well matched but the EX-Z90 (1/2.3") and GR Digital IV (1/1.7") have different sensor dimensions.

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The EX-Z90 was manufactured 3 years before the GR Digital IV and that is quite a sizable gap as far as tech is concerned. Each of these cameras feature the same body design (Compact).

Before going straight to a comprehensive comparison, here is a simple highlight of how the EX-Z90 grades vs the GR Digital IV for portability, imaging, features and an overall grade.

This is a preview of the gallery photos for Casio Exilim EX-Z90 and Ricoh GR Digital IV. The entire galleries are provided at Casio EX-Z90 Gallery and Ricoh GR Digital IV Gallery.

In case you're planning to lug around your camera often, you are going to need to consider its weight and measurements. The Casio EX-Z90 comes with outside dimensions of 90mm x 52mm x 19mm (3.5" x 2.0" x 0.7") with a weight of 121 grams (0.27 lbs) while the Ricoh GR Digital IV has proportions of 109mm x 59mm x 33mm (4.3" x 2.3" x 1.3") and a weight of 190 grams (0.42 lbs).

Take a look at the Casio EX-Z90 versus Ricoh GR Digital IV in the all new Camera with Lens Size Comparison Tool.

Remember that, the weight of an Interchangeable Lens Camera will vary dependant on the lens you are working with at the time. Here is a front view size comparison of the EX-Z90 compared to the GR Digital IV.

Looking at size and weight, the portability rating of the EX-Z90 and GR Digital IV is 96 and 92 respectively.

Generally, it's difficult to picture the difference between sensor measurements simply by reading through specifications. The photograph here will give you a greater sense of the sensor dimensions in the EX-Z90 and GR Digital IV.

Plainly, both of those cameras feature different megapixel count and different sensor measurements. The EX-Z90 because of its tinier sensor is going to make achieving shallower depth of field more difficult and the Casio EX-Z90 will give extra detail due to its extra 2 Megapixels. Higher resolution can also allow you to crop shots way more aggressively. The older EX-Z90 is going to be disadvantaged when it comes to sensor innovation.