Pentax S1 vs Pentax W90

Following is a in-depth overview of the Pentax S1 versus Pentax W90, one is a Small Sensor Compact and the latter is a Waterproof and both of them are designed by Pentax. The sensor resolution of the S1 (14MP) and the W90 (12MP) is pretty well matched and both cameras provide the identical sensor measurements (1/2.3").

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The S1 was introduced 13 months after the W90 which makes them a generation away from each other. Both of these cameras feature the same body design (Compact).

Before getting straight to a detailed comparison, here is a brief summation of how the S1 matches up vs the W90 with regard to portability, imaging, features and an overall score.

The following is a preview of the gallery images for Pentax Optio S1 and Pentax Optio W90. The whole galleries are viewable at Pentax S1 Gallery and Pentax W90 Gallery.

For those who are aiming to carry around your camera, you have to factor its weight and dimensions. The Pentax S1 comes with external dimensions of 114mm x 58mm x 28mm (4.5" x 2.3" x 1.1") having a weight of 157 grams (0.35 lbs) whilst the Pentax W90 has dimensions of 108mm x 59mm x 25mm (4.3" x 2.3" x 1.0") and a weight of 164 grams (0.36 lbs).

Take a look at the Pentax S1 versus Pentax W90 in the new Camera and Lens Size Comparison Tool.

Take into consideration, the weight of an Interchangeable Lens Camera will vary based on the lens you are working with at that moment. Following is a front view dimension comparison of the S1 versus the W90.

Considering size and weight, the portability score of the S1 and W90 is 93 and 94 respectively.

Generally, it can be difficult to visualise the contrast between sensor sizes merely by looking at specs. The picture below might provide you a far better sense of the sensor sizes in the S1 and W90.

As you can plainly see, the two cameras feature the identical sensor size albeit not the same megapixels. You should expect the Pentax S1 to resolve greater detail using its extra 2MP. Higher resolution can also make it easier to crop photographs way more aggressively. The more recent S1 is going to have an edge with regard to sensor technology.