Pentax WG-3 GPS vs Sony W550

Here is a in-depth overview of the Pentax WG-3 GPS and Sony W550, one being a Waterproof and the latter is a Ultracompact by brands Pentax and Sony. The sensor resolution of the WG-3 GPS (16MP) and the W550 (14MP) is pretty well matched and both cameras offer the identical sensor sizing (1/2.3").

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The WG-3 GPS was unveiled 2 years later than the W550 and that is quite a big gap as far as tech is concerned. Both cameras feature different body design with the Pentax WG-3 GPS being a Compact camera and the Sony W550 being a Ultracompact camera.

Before delving into a comprehensive comparison, here is a concise highlight of how the WG-3 GPS matches up against the W550 with regard to portability, imaging, features and an overall rating.

This is a preview of the gallery images for Pentax WG-3 GPS and Sony Cyber-shot DSC-W550. The full galleries are provided at Pentax WG-3 GPS Gallery and Sony W550 Gallery.

If you're going to carry your camera regularly, you'll have to factor in its weight and volume. The Pentax WG-3 GPS provides physical measurements of 125mm x 64mm x 33mm (4.9" x 2.5" x 1.3") and a weight of 238 grams (0.52 lbs) while the Sony W550 has sizing of 94mm x 56mm x 19mm (3.7" x 2.2" x 0.7") accompanied by a weight of 110 grams (0.24 lbs).

Check the Pentax WG-3 GPS and Sony W550 in the latest Camera and Lens Size Comparison Tool.

Do not forget, the weight of an Interchangeable Lens Camera will differ depending on the lens you have attached at that moment. Following is a front view dimension comparison of the WG-3 GPS compared to the W550.

Using size and weight, the portability score of the WG-3 GPS and W550 is 90 and 96 respectively.

In many cases, it's hard to envision the contrast between sensor sizing just by looking at technical specs. The visual here may offer you a stronger sense of the sensor measurements in the WG-3 GPS and W550.

As you can tell, the 2 cameras come with the identical sensor size albeit not the same megapixels. You should expect the Pentax WG-3 GPS to give you extra detail having an extra 2 Megapixels. Higher resolution will allow you to crop photographs a good deal more aggressively. The more recent WG-3 GPS is going to have a benefit in sensor tech.