Pentax WG-3 GPS vs Sony TX7

Its time to look much closer at the Pentax WG-3 GPS versus Sony TX7, one being a Waterproof and the latter is a Ultracompact by rivals Pentax and Sony. There is a huge difference among the sensor resolutions of the WG-3 GPS (16MP) and TX7 (10MP) and the WG-3 GPS (1/2.3") and TX7 (1/2.4") use different sensor measurements.

Photography Glossary

The WG-3 GPS was manufactured 3 years later than the TX7 and that is a fairly significant gap as far as camera tech is concerned. Each of the cameras come with different body type with the Pentax WG-3 GPS being a Compact camera and the Sony TX7 being a Ultracompact camera.

Before delving straight into a step-by-step comparison, below is a concise introduction of how the WG-3 GPS grades versus the TX7 for portability, imaging, features and an overall rating.

Here is a preview of the gallery photos for Pentax WG-3 GPS and Sony Cyber-shot DSC-TX7. The entire galleries are provided at Pentax WG-3 GPS Gallery and Sony TX7 Gallery.

For anyone who is aiming to carry your camera often, you will have to consider its weight and measurements. The Pentax WG-3 GPS enjoys external 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) while the Sony TX7 has proportions of 98mm x 60mm x 18mm (3.9" x 2.4" x 0.7") with a weight of 149 grams (0.33 lbs).

Contrast the Pentax WG-3 GPS versus Sony TX7 in the all new Camera with Lens Size Comparison Tool.

Bear in mind, the weight of an Interchangeable Lens Camera will change based on the lens you use at the time. Below is the front view scale comparison of the WG-3 GPS versus the TX7.

Considering size and weight, the portability score of the WG-3 GPS and TX7 is 90 and 95 respectively.

Often, its hard to picture the gap in sensor sizing just by seeing a spec sheet. The photograph underneath may offer you a greater sense of the sensor measurements in the WG-3 GPS and TX7.

Clearly, the 2 cameras posses different megapixel count and different sensor sizing. The WG-3 GPS due to its bigger sensor is going to make shooting shallow DOF less difficult and the Pentax WG-3 GPS will show more detail due to its extra 6MP. Higher resolution will let you crop photographs somewhat more aggressively. The younger WG-3 GPS provides a benefit when it comes to sensor tech.