Pentax K-x vs Pentax RZ10

Here, we are comparing the Pentax K-x and Pentax RZ10, one being a Entry-Level DSLR and the other is a Small Sensor Compact and both are sold by Pentax. The sensor resolution of the K-x (12MP) and the RZ10 (14MP) is fairly close but the K-x (APS-C) and RZ10 (1/2.3") offer different sensor dimensions.

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The K-x was manufactured 19 months prior to the RZ10 making them a generation apart from one another. Each of the cameras feature different body design with the Pentax K-x being a Compact SLR camera and the Pentax RZ10 being a Compact camera.

Before delving into a in depth comparison, here is a brief highlight of how the K-x matches up versus the RZ10 with regard to portability, imaging, features and an overall rating.

This is a sample of the gallery pictures for Pentax K-x and Pentax Optio RZ10. The entire galleries are available at Pentax K-x Gallery and Pentax RZ10 Gallery.

In case you're going to carry your camera, you will need to consider its weight and volume. The Pentax K-x provides physical dimensions of 123mm x 92mm x 68mm (4.8" x 3.6" x 2.7") and a weight of 580 grams (1.28 lbs) while the Pentax RZ10 has sizing of 97mm x 61mm x 33mm (3.8" x 2.4" x 1.3") with a weight of 178 grams (0.39 lbs).

Check the Pentax K-x and Pentax RZ10 in the all new Camera and Lens Size Comparison Tool.

Always remember, the weight of an Interchangeable Lens Camera will vary dependant on the lens you select at the time. Here is a front view measurements comparison of the K-x vs the RZ10.

Using dimensions and weight, the portability rating of the K-x and RZ10 is 69 and 92 respectively.

Normally, it's tough to imagine the gap in sensor sizing simply by viewing specs. The graphic underneath should provide you a more clear sense of the sensor dimensions in the K-x and RZ10.

All in all, both the cameras feature different megapixels and different sensor sizing. The K-x featuring a larger sensor is going to make achieving shallower DOF less difficult and the Pentax RZ10 will provide you with greater detail due to its extra 2 Megapixels. Greater resolution will help you crop images way more aggressively. The older K-x will be disadvantaged with regard to sensor tech.