Pentax E90 vs Ricoh G900

On this page, we will be comparing the Pentax E90 versus Ricoh G900, one being a Small Sensor Compact and the latter is a Waterproof by companies Pentax and Ricoh. There is a huge difference between the sensor resolutions of the E90 (10MP) and G900 (20MP) but both cameras posses the same sensor dimensions (1/2.3").

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The E90 was introduced 9 years earlier than the G900 and that is quite a significant gap as far as tech is concerned. Both of these cameras have the same body design (Compact).

Before diving straight to a comprehensive comparison, here is a concise synopsis of how the E90 scores vs the G900 in relation to portability, imaging, features and an overall grade.

Following is a preview of the gallery photos for Pentax Optio E90 and Ricoh G900. The whole galleries are available at Pentax E90 Gallery and Ricoh G900 Gallery.

If you're going to lug around your camera often, you are going to need to factor in its weight and proportions. The Pentax E90 features external dimensions of 102mm x 59mm x 25mm (4.0" x 2.3" x 1.0") along with a weight of 145 grams (0.32 lbs) while the Ricoh G900 has measurements of 118mm x 66mm x 33mm (4.6" x 2.6" x 1.3") accompanied by a weight of 247 grams (0.54 lbs).

Take a look at the Pentax E90 versus Ricoh G900 in the latest Camera and Lens Size Comparison Tool.

Do not forget, the weight of an Interchangeable Lens Camera will differ based on the lens you choose at that time. Following is a front view size comparison of the E90 versus the G900.

Factoring in size and weight, the portability rating of the E90 and G900 is 94 and 89 respectively.

In many cases, it can be tough to visualize the difference between sensor measurements only by reading through technical specs. The graphic below should provide you a clearer sense of the sensor sizes in the E90 and G900.

As you have seen, the 2 cameras have the same sensor dimensions albeit different megapixels. You should count on the Ricoh G900 to give you greater detail using its extra 10MP. Higher resolution will also let you crop photographs a bit more aggressively. The older E90 is going to be disadvantaged with regard to sensor tech.