Pentax WG-3 vs Sony RX100

Here is a thorough comparison of the Pentax WG-3 and Sony RX100, former being a Waterproof while the other is a Large Sensor Compact by manufacturers Pentax and Sony. The sensor resolution of the WG-3 (16MP) and the RX100 (20MP) is fairly similar but the WG-3 (1/2.3") and RX100 (1") possess totally different sensor size.

Samsung Releases Faster Versions of EVO MicroSD Cards

The WG-3 was announced 11 months later than the RX100 which means that they are both of a similar age. Both cameras offer different body type with the Pentax WG-3 being a Compact camera and the Sony RX100 being a Large Sensor Compact camera.

Before we go in to a in-depth comparison, below is a concise summation of how the WG-3 scores vs the RX100 in terms of portability, imaging, features and an overall rating.

The following is a sample of the gallery pictures for Pentax WG-3 & Sony Cyber-shot DSC-RX100. The whole galleries are available at Pentax WG-3 Gallery & Sony RX100 Gallery.

If you're going to carry your camera often, you need to factor in its weight and size. The Pentax WG-3 enjoys outer measurements of 124mm x 64mm x 33mm (4.9" x 2.5" x 1.3") with a weight of 230 grams (0.51 lbs) whilst the Sony RX100 has specifications of 102mm x 58mm x 36mm (4.0" x 2.3" x 1.4") accompanied by a weight of 240 grams (0.53 lbs).

Examine the Pentax WG-3 and Sony RX100 in our brand new Camera plus Lens Size Comparison Tool.

Take into consideration, the weight of an ILC will vary depending on the lens you are using at that time. Following is the front view dimension comparison of the WG-3 compared to the RX100.

Considering dimensions and weight, the portability rating of the WG-3 and RX100 is 90 and 91 respectively.

More often than not, it can be difficult to see the contrast between sensor sizing purely by going over a spec sheet. The graphic below should give you a far better sense of the sensor measurements in the WG-3 and RX100.

As you can see, both cameras offer different megapixels and different sensor sizing. The WG-3 having a tinier sensor will make achieving bokeh more difficult and the Sony RX100 will deliver more detail with its extra 4 Megapixels. Greater resolution will enable you to crop images a little more aggressively. The fresher WG-3 is going to have an advantage in sensor innovation.