Canon S90 vs Nikon S31

Here is a thorough analysis of the Canon S90 and Nikon S31, one being a Small Sensor Compact and the latter is a Waterproof by competitors Canon and Nikon. The sensor resolution of the S90 (10MP) and the S31 (10MP) is relatively well matched but the S90 (1/1.7") and S31 (1/2.9") provide totally different sensor size.

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The S90 was unveiled 4 years earlier than the S31 and that is quite a big gap as far as tech is concerned. Both of these cameras have the same body design (Compact).

Before going straight to a comprehensive comparison, here is a brief highlight of how the S90 matches up vs the S31 in terms of portability, imaging, features and an overall rating.

Following is a preview of the gallery photos for Canon PowerShot S90 and Nikon Coolpix S31. The full galleries are provided at Canon S90 Gallery and Nikon S31 Gallery.

In case you're looking to carry your camera regularly, you will want to take into account its weight and proportions. The Canon S90 provides external dimensions of 100mm x 58mm x 31mm (3.9" x 2.3" x 1.2") accompanied by a weight of 195 grams (0.43 lbs) whilst the Nikon S31 has measurements of 105mm x 65mm x 42mm (4.1" x 2.6" x 1.7") with a weight of 185 grams (0.41 lbs).

See the Canon S90 and Nikon S31 in the new Camera with Lens Size Comparison Tool.

Don't forget, the weight of an Interchangeable Lens Camera will vary depending on the lens you have during that time. Below is a front view measurements comparison of the S90 vs the S31.

Factoring in size and weight, the portability score of the S90 and S31 is 92 and 90 respectively.

Often, it's difficult to envision the contrast between sensor sizing merely by looking at specs. The photograph underneath may give you a far better sense of the sensor sizes in the S90 and S31.

All in all, the two cameras provide the same resolution albeit not the same sensor sizing. The S90 uses the bigger sensor which will make getting shallower DOF easier. The older S90 is going to be disadvantaged with regard to sensor technology.