Casio EX-S5 vs Pentax W90

In this article, we are evaluating the Casio EX-S5 vs Pentax W90, former being a Ultracompact while the other is a Waterproof by rivals Casio and Pentax. There is a noticeable difference among the resolutions of the EX-S5 (9MP) and W90 (12MP) but they feature the same exact sensor size (1/2.3").

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The EX-S5 was manufactured 13 months prior to the W90 making the cameras a generation apart from each other. The two cameras offer different body type with the Casio EX-S5 being a Ultracompact camera and the Pentax W90 being a Compact camera.

Before diving in to a comprehensive comparison, below is a concise view of how the EX-S5 grades vs the W90 with respect to portability, imaging, features and an overall grade.

Below is a sample of the gallery pictures for Casio Exilim EX-S5 & Pentax Optio W90. The entire galleries are available at Casio EX-S5 Gallery & Pentax W90 Gallery.

In case you're looking to lug around your camera frequently, you should consider its weight and size. The Casio EX-S5 provides exterior dimensions of 102mm x 35mm x 22mm (4.0" x 1.4" x 0.9") along with a weight of 100 grams (0.22 lbs) and the Pentax W90 has specifications of 108mm x 59mm x 25mm (4.3" x 2.3" x 1.0") having a weight of 164 grams (0.36 lbs).

Look at the Casio EX-S5 vs Pentax W90 in our newest Camera plus Lens Size Comparison Tool.

Take into consideration, the weight of an ILC will differ dependant on the lens you are employing during that time. Below is the front view size comparison of the EX-S5 and the W90.

Looking at size and weight, the portability rating of the EX-S5 and W90 is 97 and 94 respectively.

Usually, it can be tough to visualise the difference in sensor measurements purely by looking through specifications. The photograph here will help offer you a much better sense of the sensor dimensions in the EX-S5 and W90.

To sum up, both of those cameras offer the same exact sensor sizing but not the same MP. You can anticipate the Pentax W90 to result in more detail due to its extra 3MP. Greater resolution can also help you crop photos a little more aggressively. The older EX-S5 will be behind in sensor tech.