Pentax E90 vs Ricoh GR Digital IV

The following is a complete analysis of the Pentax E90 versus Ricoh GR Digital IV, both Small Sensor Compact cameras by competitors Pentax and Ricoh. The resolution of the E90 (10MP) and the GR Digital IV (10MP) is very comparable but the E90 (1/2.3") and GR Digital IV (1/1.7") provide different sensor sizes.

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The E90 was launched 19 months prior to the GR Digital IV making them a generation away from each other. Both of these cameras have the same body design (Compact).

Before diving into a complete comparison, here is a short summary of how the E90 scores against the GR Digital IV in the way of portability, imaging, features and an overall mark.

Following is a sample of the gallery pics for Pentax Optio E90 and Ricoh GR Digital IV. The complete galleries are available at Pentax E90 Gallery and Ricoh GR Digital IV Gallery.

In case you're going to travel with your camera frequently, you have to think about its weight and volume. The Pentax E90 has external measurements of 102mm x 59mm x 25mm (4.0" x 2.3" x 1.0") and a weight of 145 grams (0.32 lbs) while the Ricoh GR Digital IV has sizing of 109mm x 59mm x 33mm (4.3" x 2.3" x 1.3") having a weight of 190 grams (0.42 lbs).

Look at the Pentax E90 versus Ricoh GR Digital IV in the all new Camera and Lens Size Comparison Tool.

Don't forget, the weight of an Interchangeable Lens Camera will change based on the lens you are employing at that moment. Underneath is a front view over all size comparison of the E90 against the GR Digital IV.

Using size and weight, the portability score of the E90 and GR Digital IV is 94 and 92 respectively.

Often, it can be tough to visualize the gap in sensor dimensions only by seeing a spec sheet. The image here might give you a better sense of the sensor measurements in the E90 and GR Digital IV.

As you can see, each of the cameras have the same resolution but different sensor dimensions. The E90 offers the smaller sensor which will make achieving shallow depth of field trickier. The more aged E90 will be behind when it comes to sensor innovation.