Pentax W90 vs Sony W810

In this write-up, we are looking at the Pentax W90 and Sony W810, one is a Waterproof and the other is a Ultracompact by manufacturers Pentax and Sony. There exists a significant gap between the sensor resolutions of the W90 (12MP) and W810 (20MP) but they come with the same exact sensor measurements (1/2.3").

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The W90 was introduced 4 years before the W810 which is quite a sizable gap as far as technology is concerned. Each of the cameras offer different body type with the Pentax W90 being a Compact camera and the Sony W810 being a Ultracompact camera.

Before delving in to a thorough comparison, below is a brief introduction of how the W90 matches up against the W810 when considering portability, imaging, features and an overall score.

Below is a sample of the gallery pics for Pentax Optio W90 and Sony Cyber-shot DSC-W810. The whole galleries are provided at Pentax W90 Gallery and Sony W810 Gallery.

For anybody who is intending to carry around your camera frequently, you should take into account its weight and size. The Pentax W90 offers external measurements of 108mm x 59mm x 25mm (4.3" x 2.3" x 1.0") with a weight of 164 grams (0.36 lbs) while the Sony W810 has specifications of 97mm x 56mm x 21mm (3.8" x 2.2" x 0.8") having a weight of 111 grams (0.24 lbs).

Compare the Pentax W90 and Sony W810 in the new Camera and Lens Size Comparison Tool.

Don't forget, the weight of an Interchangeable Lens Camera will change depending on the lens you select at the time. The following is the front view over all size comparison of the W90 compared to the W810.

Looking at dimensions and weight, the portability grade of the W90 and W810 is 94 and 96 respectively.

More often than not, it is very hard to visualize the difference between sensor sizes merely by looking at a spec sheet. The image here will offer you a clearer sense of the sensor measurements in the W90 and W810.

Clearly, both the cameras offer the same exact sensor sizing but different megapixels. You should expect to see the Sony W810 to resolve greater detail using its extra 8MP. Greater resolution will also allow you to crop pics a little more aggressively. The more aged W90 is going to be disadvantaged when it comes to sensor technology.