Casio EX-Z400 vs Pentax WG-3 GPS

Following is a in depth comparison of the Casio EX-Z400 versus Pentax WG-3 GPS, former is a Ultracompact while the other is a Waterproof by rivals Casio and Pentax. There is a noticeable difference among the image resolutions of the EX-Z400 (12MP) and WG-3 GPS (16MP) but they enjoy the exact same sensor measurements (1/2.3").

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The EX-Z400 was manufactured 5 years prior to the WG-3 GPS which is a fairly sizable difference as far as camera tech is concerned. Both of the cameras come with different body type with the Casio EX-Z400 being a Ultracompact camera and the Pentax WG-3 GPS being a Compact camera.

Before diving straight into a more detailed comparison, below is a simple highlight of how the EX-Z400 grades vs the WG-3 GPS in the way of portability, imaging, features and an overall score.

Here is a sample of the gallery pictures for Casio Exilim EX-Z400 & Pentax WG-3 GPS. The entire galleries are provided at Casio EX-Z400 Gallery & Pentax WG-3 GPS Gallery.

In case you're going to carry around your camera often, you need to factor in its weight and size. The Casio EX-Z400 comes with physical measurements of 95mm x 60mm x 23mm (3.7" x 2.4" x 0.9") accompanied by a weight of 130 grams (0.29 lbs) whilst the Pentax WG-3 GPS has specifications of 125mm x 64mm x 33mm (4.9" x 2.5" x 1.3") and a weight of 238 grams (0.52 lbs).

Contrast the Casio EX-Z400 versus Pentax WG-3 GPS in our brand new Camera & Lens Size Comparison Tool.

Take into consideration, the weight of an ILC will differ based on the lens you have at that moment. Following is the front view measurement comparison of the EX-Z400 and the WG-3 GPS.

Considering size and weight, the portability grade of the EX-Z400 and WG-3 GPS is 95 and 90 respectively.

In many cases, it is hard to see the gap in sensor sizes just by going through specs. The picture below will help provide you a much better sense of the sensor sizing in the EX-Z400 and WG-3 GPS.

All in all, both cameras posses the exact same sensor measurements but not the same megapixels. You can anticipate the Pentax WG-3 GPS to produce greater detail due to its extra 4 Megapixels. Greater resolution will also let you crop photos somewhat more aggressively. The more aged EX-Z400 will be disadvantaged when it comes to sensor innovation.