Nikon S640 vs Ricoh G900

Below is a in-depth overview of the Nikon S640 and Ricoh G900, one being a Small Sensor Compact and the latter is a Waterproof by companies Nikon and Ricoh. There is a sizeable difference between the resolutions of the S640 (12MP) and G900 (20MP) but both cameras offer the same sensor sizes (1/2.3").

Photography Glossary

The S640 was announced 9 years earlier than the G900 and that is quite a large gap as far as tech is concerned. Both the cameras have the same body design (Compact).

Before getting right into a more detailed comparison, here is a short summary of how the S640 scores vs the G900 with regard to portability, imaging, features and an overall grade.

This is a preview of the gallery photos for Nikon Coolpix S640 and Ricoh G900. The whole galleries are available at Nikon S640 Gallery and Ricoh G900 Gallery.

In case you're going to lug around your camera regularly, you need to take into account its weight and measurements. The Nikon S640 provides external measurements of 91mm x 55mm x 21mm (3.6" x 2.2" x 0.8") along with a weight of 130 grams (0.29 lbs) while the Ricoh G900 has proportions of 118mm x 66mm x 33mm (4.6" x 2.6" x 1.3") with a weight of 247 grams (0.54 lbs).

Look at the Nikon S640 and Ricoh G900 in the latest Camera and Lens Size Comparison Tool.

Don't forget, the weight of an Interchangeable Lens Camera will differ based on the lens you are utilizing at that moment. Following is a front view size comparison of the S640 versus the G900.

Taking into consideration size and weight, the portability score of the S640 and G900 is 96 and 89 respectively.

Generally, it is very hard to see the contrast between sensor measurements only by reviewing a spec sheet. The visual below will help provide you a better sense of the sensor sizing in the S640 and G900.

As you can see, both of these cameras have the same sensor dimensions albeit not the same megapixels. You should count on the Ricoh G900 to deliver greater detail with its extra 8 Megapixels. Higher resolution can also enable you to crop pictures a bit more aggressively. The older S640 is going to be disadvantaged when it comes to sensor innovation.