Pentax WG-3 GPS vs Sony A3000

Here is a in depth assessment of the Pentax WG-3 GPS vs Sony A3000, one being a Waterproof and the other is a Entry-Level Mirrorless by brands Pentax and Sony. The image resolution of the WG-3 GPS (16MP) and the A3000 (20MP) is fairly comparable but the WG-3 GPS (1/2.3") and A3000 (APS-C) posses totally different sensor sizes.

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The WG-3 GPS was launched around the same time to the A3000 so they are both of a similar generation. Both the cameras feature different body design with the Pentax WG-3 GPS being a Compact camera and the Sony A3000 being a SLR-style mirrorless camera.

Before we go right into a full comparison, here is a simple overview of how the WG-3 GPS scores against the A3000 in relation to portability, imaging, features and an overall rating.

Following is a sample of the gallery pictures for Pentax WG-3 GPS and Sony Alpha A3000. The complete galleries are available at Pentax WG-3 GPS Gallery and Sony A3000 Gallery.

If you're aiming to carry your camera, you will need to factor in its weight and size. The Pentax WG-3 GPS comes with outer dimensions of 125mm x 64mm x 33mm (4.9" x 2.5" x 1.3") with a weight of 238 grams (0.52 lbs) whilst the Sony A3000 has specifications of 128mm x 91mm x 85mm (5.0" x 3.6" x 3.3") accompanied by a weight of 411 grams (0.91 lbs).

Take a look at the Pentax WG-3 GPS vs Sony A3000 in the latest Camera with Lens Size Comparison Tool.

Take into consideration, the weight of an Interchangeable Lens Camera will change dependant on the lens you choose at that time. The following is a front view physical size comparison of the WG-3 GPS and the A3000.

Factoring in size and weight, the portability grade of the WG-3 GPS and A3000 is 90 and 69 respectively.

Usually, its hard to visualise the contrast in sensor sizing simply by seeing technical specs. The graphic below may offer you a much better sense of the sensor dimensions in the WG-3 GPS and A3000.

As you have seen, both of the cameras feature different megapixels and different sensor sizing. The WG-3 GPS because of its smaller sensor will make shooting shallow DOF tougher and the Sony A3000 will produce more detail utilizing its extra 4MP. Greater resolution will also let you crop pics way more aggressively.