Pentax WG-3 GPS vs Sony TX66

Lets take a closer look at the Pentax WG-3 GPS vs Sony TX66, former is a Waterproof while the latter is a Ultracompact by brands Pentax and Sony. The sensor resolution of the WG-3 GPS (16MP) and the TX66 (18MP) is pretty well matched and they possess the exact same sensor dimensions (1/2.3").

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The WG-3 GPS was announced 17 months after the TX66 which makes the cameras a generation away from each other. Each of these cameras come with different body type with the Pentax WG-3 GPS being a Compact camera and the Sony TX66 being a Ultracompact camera.

Before diving straight into a detailed comparison, below is a simple synopsis of how the WG-3 GPS scores versus the TX66 with regard to portability, imaging, features and an overall score.

Here is a preview of the gallery images for Pentax WG-3 GPS & Sony Cyber-shot DSC-TX66. The whole galleries are available at Pentax WG-3 GPS Gallery & Sony TX66 Gallery.

For anybody who is intending to carry around your camera often, you'll have to factor in its weight and proportions. The Pentax WG-3 GPS provides outside dimensions of 125mm x 64mm x 33mm (4.9" x 2.5" x 1.3") and a weight of 238 grams (0.52 lbs) and the Sony TX66 has measurements of 93mm x 54mm x 13mm (3.7" x 2.1" x 0.5") accompanied by a weight of 109 grams (0.24 lbs).

Examine the Pentax WG-3 GPS vs Sony TX66 in our brand new Camera plus Lens Size Comparison Tool.

Take into consideration, the weight of an ILC will differ depending on the lens you are utilizing at the time. Here is the front view scale comparison of the WG-3 GPS and the TX66.

Using size and weight, the portability score of the WG-3 GPS and TX66 is 90 and 97 respectively.

Usually, it is very difficult to visualise the gap between sensor sizes purely by reading through technical specs. The pic below will help give you a greater sense of the sensor dimensions in the WG-3 GPS and TX66.

As you have seen, each of these cameras posses the exact same sensor measurements albeit not the same megapixels. You can expect the Sony TX66 to resolve greater detail with its extra 2 Megapixels. Higher resolution will also enable you to crop photographs somewhat more aggressively. The newer WG-3 GPS will have an edge when it comes to sensor innovation.