Casio EX-Z400 vs Pentax RZ18

Let's look much closer at the Casio EX-Z400 versus Pentax RZ18, former being a Ultracompact while the other is a Small Sensor Superzoom by brands Casio and Pentax. There exists a substantial gap among the image resolutions of the EX-Z400 (12MP) and RZ18 (16MP) but they feature the exact same sensor sizing (1/2.3").

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The EX-Z400 was manufactured 3 years before the RZ18 and that is a fairly big difference as far as camera technology is concerned. Both cameras come with different body type with the Casio EX-Z400 being a Ultracompact camera and the Pentax RZ18 being a Compact camera.

Before getting straight into a in depth comparison, below is a quick synopsis of how the EX-Z400 grades vs the RZ18 in the way of portability, imaging, features and an overall grade.

Here is a sample of the gallery pictures for Casio Exilim EX-Z400 & Pentax Optio RZ18. The entire galleries are available at Casio EX-Z400 Gallery & Pentax RZ18 Gallery.

For anyone who is aiming to lug around your camera often, you will need to factor its weight and size. The Casio EX-Z400 has got outer 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) while the Pentax RZ18 has specifications of 97mm x 61mm x 33mm (3.8" x 2.4" x 1.3") along with a weight of 178 grams (0.39 lbs).

Compare the Casio EX-Z400 versus Pentax RZ18 in our completely new Camera plus Lens Size Comparison Tool.

Remember that, the weight of an ILC will differ based on the lens you are using at that moment. Following is the front view over all size comparison of the EX-Z400 against the RZ18.

Considering dimensions and weight, the portability score of the EX-Z400 and RZ18 is 95 and 92 respectively.

Quite often, it's difficult to see the difference in sensor measurements just by looking through specifications. The photograph here will give you a far better sense of the sensor measurements in the EX-Z400 and RZ18.

Plainly, each of these cameras have got the exact same sensor measurements but not the same MP. You can anticipate the Pentax RZ18 to render extra detail due to its extra 4MP. Greater resolution will also help you crop images much more aggressively. The older EX-Z400 will be behind with regard to sensor tech.