Pentax WG-3 GPS vs Sony A450

Below is a extensive analysis of the Pentax WG-3 GPS vs Sony A450, one being a Waterproof and the latter is a Entry-Level DSLR by competitors Pentax and Sony. The image resolution of the WG-3 GPS (16MP) and the A450 (14MP) is pretty comparable but the WG-3 GPS (1/2.3") and A450 (APS-C) offer different sensor dimensions.

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The WG-3 GPS was unveiled 3 years later than the A450 and that is a fairly large gap as far as camera technology is concerned. Both of these cameras feature different body design with the Pentax WG-3 GPS being a Compact camera and the Sony A450 being a Compact SLR camera.

Before going straight to a full comparison, here is a simple highlight of how the WG-3 GPS matches up vs the A450 in terms of portability, imaging, features and an overall grade.

Below is a preview of the gallery images for Pentax WG-3 GPS and Sony Alpha DSLR-A450. The full galleries are available at Pentax WG-3 GPS Gallery and Sony A450 Gallery.

For anyone who is going to lug around your camera frequently, you'll need to think about its weight and size. The Pentax WG-3 GPS comes with physical dimensions of 125mm x 64mm x 33mm (4.9" x 2.5" x 1.3") accompanied by a weight of 238 grams (0.52 lbs) and the Sony A450 has specifications of 137mm x 104mm x 81mm (5.4" x 4.1" x 3.2") along with a weight of 560 grams (1.23 lbs).

Take a look at the Pentax WG-3 GPS vs Sony A450 in the all new Camera with Lens Size Comparison Tool.

Bear in mind, the weight of an Interchangeable Lens Camera will vary based on the lens you use during that time. Below is a front view proportions comparison of the WG-3 GPS vs the A450.

Considering dimensions and weight, the portability grade of the WG-3 GPS and A450 is 90 and 65 respectively.

Normally, it's difficult to picture the contrast in sensor measurements merely by checking out a spec sheet. The graphic here will help offer you a more clear sense of the sensor sizes in the WG-3 GPS and A450.

As you can see, both of these cameras feature different resolutions and different sensor measurements. The WG-3 GPS with its smaller sensor is going to make achieving bokeh harder and the Pentax WG-3 GPS will produce more detail having an extra 2 Megapixels. Higher resolution will help you crop shots way more aggressively. The fresher WG-3 GPS should have a benefit in sensor innovation.