Nikon S640 vs Pentax W90

Following is a in depth review of the Nikon S640 versus Pentax W90, former is a Small Sensor Compact while the other is a Waterproof by competitors Nikon and Pentax. The resolution of the S640 (12MP) and the W90 (12MP) is fairly close and they enjoy the same exact sensor sizes (1/2.3").

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The S640 was launched 6 months prior to the W90 so they are of a similar age. Both cameras offer the identical body type (Compact).

Before going in to a thorough comparison, below is a quick view of how the S640 grades versus the W90 with respect to portability, imaging, features and an overall score.

The following is a sample of the gallery pictures for Nikon Coolpix S640 & Pentax Optio W90. The complete galleries are available at Nikon S640 Gallery & Pentax W90 Gallery.

In case you're looking to carry around your camera, you have to consider its weight and measurements. The Nikon S640 features outer measurements of 91mm x 55mm x 21mm (3.6" x 2.2" x 0.8") having a weight of 130 grams (0.29 lbs) while the Pentax W90 has proportions of 108mm x 59mm x 25mm (4.3" x 2.3" x 1.0") with a weight of 164 grams (0.36 lbs).

Take a look at the Nikon S640 versus Pentax W90 in our brand new Camera plus Lens Size Comparison Tool.

Always remember, the weight of an ILC will vary dependant on the lens you use during that time. Here is the front view scale comparison of the S640 vs the W90.

Taking into account dimensions and weight, the portability grade of the S640 and W90 is 96 and 94 respectively.

Sometimes, it is tough to see the gap in sensor sizes merely by researching specs. The picture below should give you a greater sense of the sensor sizing in the S640 and W90.

As you can plainly see, both of these cameras offer the same exact sensor sizing and the identical megapixels so you can expect comparable quality of photographs though you should take the age of the cameras into account.