Pentax WG-3 GPS vs Sigma DP1

On this page, we will be comparing the Pentax WG-3 GPS vs Sigma DP1, former is a Waterproof while the latter is a Large Sensor Compact by manufacturers Pentax and Sigma. There exists a noticeable gap between the image resolutions of the WG-3 GPS (16MP) and DP1 (5MP) and the WG-3 GPS (1/2.3") and DP1 (APS-C) have totally different sensor dimensions.

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The WG-3 GPS was brought out 5 years after the DP1 which is quite a sizable difference as far as technology is concerned. Each of these cameras have different body design with the Pentax WG-3 GPS being a Compact camera and the Sigma DP1 being a Large Sensor Compact camera.

Before getting straight to a in-depth comparison, here is a simple highlight of how the WG-3 GPS scores against the DP1 in the way of portability, imaging, features and an overall mark.

Here is a preview of the gallery images for Pentax WG-3 GPS & Sigma DP1. The entire galleries are available at Pentax WG-3 GPS Gallery & Sigma DP1 Gallery.

For those who are intending to travel with your camera often, you're going to have to take into account its weight and dimensions. The Pentax WG-3 GPS enjoys outer measurements of 125mm x 64mm x 33mm (4.9" x 2.5" x 1.3") accompanied by a weight of 238 grams (0.52 lbs) while the Sigma DP1 has dimensions of 113mm x 60mm x 50mm (4.4" x 2.4" x 2.0") accompanied by a weight of 270 grams (0.60 lbs).

Take a look at the Pentax WG-3 GPS vs Sigma DP1 in our brand new Camera & Lens Size Comparison Tool.

Do not forget, the weight of an ILC will differ depending on the lens you have chosen at the time. Here is a front view measurement comparison of the WG-3 GPS and the DP1.

Using dimensions and weight, the portability rating of the WG-3 GPS and DP1 is 90 and 87 respectively.

Typically, it is hard to visualise the gap between sensor dimensions purely by going over technical specs. The pic below should give you a much better sense of the sensor sizing in the WG-3 GPS and DP1.

As you can tell, the two cameras provide different resolutions and different sensor dimensions. The WG-3 GPS because of its tinier sensor will make getting bokeh trickier and the Pentax WG-3 GPS will offer greater detail having its extra 11 Megapixels. Higher resolution will enable you to crop photographs more aggressively. The more modern WG-3 GPS is going to have a benefit when it comes to sensor tech.