Pentax WG-3 GPS vs Ricoh G900

Here, we will be evaluating the Pentax WG-3 GPS and Ricoh G900, both Waterproof cameras by brands Pentax and Ricoh. The sensor resolution of the WG-3 GPS (16MP) and the G900 (20MP) is relatively close and both cameras offer the identical sensor sizes (1/2.3").

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The WG-3 GPS was announced 5 years prior to the G900 which is a fairly sizable gap as far as camera technology is concerned. Both the cameras feature the same body design (Compact).

Before diving right into a more detailed comparison, here is a short highlight of how the WG-3 GPS grades against the G900 when considering portability, imaging, features and an overall score.

This is a preview of the gallery photos for Pentax WG-3 GPS and Ricoh G900. The whole galleries are provided at Pentax WG-3 GPS Gallery and Ricoh G900 Gallery.

For anyone who is planning to carry around your camera regularly, you should take into account its weight and volume. The Pentax WG-3 GPS provides outer dimensions of 125mm x 64mm x 33mm (4.9" x 2.5" x 1.3") along with a weight of 238 grams (0.52 lbs) while the Ricoh G900 has sizing of 118mm x 66mm x 33mm (4.6" x 2.6" x 1.3") having a weight of 247 grams (0.54 lbs).

See the Pentax WG-3 GPS and Ricoh G900 in the latest Camera with Lens Size Comparison Tool.

Take into consideration, the weight of an Interchangeable Lens Camera will differ dependant on the lens you choose at that moment. Below is a front view dimension comparison of the WG-3 GPS against the G900.

Considering dimensions and weight, the portability rating of the WG-3 GPS and G900 is 90 and 89 respectively.

Normally, it can be hard to see the difference in sensor sizes purely by looking through a spec sheet. The pic below might offer you a better sense of the sensor sizes in the WG-3 GPS and G900.

As you can see, both of the cameras feature the identical sensor size albeit not the same megapixels. You should count on the Ricoh G900 to provide you with more detail with its extra 4MP. Higher resolution will let you crop shots way more aggressively. The more aged WG-3 GPS will be behind in sensor innovation.