Pentax WG-3 GPS vs Sony TX55

Below is a thorough analysis of the Pentax WG-3 GPS and Sony TX55, one being a Waterproof and the latter is a Ultracompact by rivals Pentax and Sony. The image resolution of the WG-3 GPS (16MP) and the TX55 (16MP) is pretty comparable and they enjoy the exact same sensor sizing (1/2.3").

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The WG-3 GPS was introduced 2 years later than the TX55 and that is a fairly large gap as far as camera technology is concerned. Both of the cameras come with different body type with the Pentax WG-3 GPS being a Compact camera and the Sony TX55 being a Ultracompact camera.

Before getting through a full comparison, below is a simple summary of how the WG-3 GPS matches up vs the TX55 with regards to portability, imaging, features and an overall grade.

Here is a preview of the gallery images for Pentax WG-3 GPS and Sony Cyber-shot DSC-TX55. The whole galleries are viewable at Pentax WG-3 GPS Gallery and Sony TX55 Gallery.

For those who are intending to lug around your camera regularly, you'll need to factor its weight and dimensions. The Pentax WG-3 GPS has exterior measurements of 125mm x 64mm x 33mm (4.9" x 2.5" x 1.3") along with a weight of 238 grams (0.52 lbs) and the Sony TX55 has dimensions of 93mm x 54mm x 13mm (3.7" x 2.1" x 0.5") along with a weight of 109 grams (0.24 lbs).

Check the Pentax WG-3 GPS and Sony TX55 in the all new Camera and Lens Size Comparison Tool.

Do not forget, the weight of an Interchangeable Lens Camera will vary based on the lens you have during that time. Following is the front view measurements comparison of the WG-3 GPS against the TX55.

Considering dimensions and weight, the portability rating of the WG-3 GPS and TX55 is 90 and 97 respectively.

More often than not, its tough to visualise the contrast in sensor measurements just by seeing specs. The photograph underneath will help give you a much better sense of the sensor measurements in the WG-3 GPS and TX55.

As you can plainly see, both of those cameras have got the exact same sensor measurements and the same resolution therefore you should expect comparable quality of pictures but you may want to take the production date of the cameras into account. The younger WG-3 GPS is going to have a benefit with regard to sensor technology.