Pentax WG-3 GPS vs Ricoh GR

Here, we will be contrasting the Pentax WG-3 GPS and Ricoh GR, one being a Waterproof and the latter is a Large Sensor Compact by companies Pentax and Ricoh. The resolution of the WG-3 GPS (16MP) and the GR (16MP) is relatively similar but the WG-3 GPS (1/2.3") and GR (APS-C) have different sensor sizes.

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The WG-3 GPS was announced 4 months later than the GR and 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 Ricoh GR being a Large Sensor Compact camera.

Before diving right into a full comparison, here is a concise summary of how the WG-3 GPS matches up versus the GR with regards to portability, imaging, features and an overall rating.

Below is a preview of the gallery photos for Pentax WG-3 GPS and Ricoh GR. The whole galleries are provided at Pentax WG-3 GPS Gallery and Ricoh GR Gallery.

If you are intending to carry your camera regularly, you'll have to factor its weight and dimensions. The Pentax WG-3 GPS enjoys physical 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) and the Ricoh GR has dimensions of 117mm x 61mm x 35mm (4.6" x 2.4" x 1.4") along with a weight of 245 grams (0.54 lbs).

Take a look at the Pentax WG-3 GPS and Ricoh GR in the new Camera and Lens Size Comparison Tool.

Take into account, the weight of an Interchangeable Lens Camera will change based on the lens you use during that time. The following is a front view size comparison of the WG-3 GPS and the GR.

Factoring in size and weight, the portability score of the WG-3 GPS and GR is 90 and 90 respectively.

Often, it can be difficult to imagine the gap between sensor sizing just by going over specs. The graphic underneath should offer you a stronger sense of the sensor sizing in the WG-3 GPS and GR.

As you can plainly see, both the cameras come with the identical MP albeit different sensor sizing. The WG-3 GPS uses the tinier sensor which will make obtaining shallower DOF more difficult.