Pentax RZ10 vs Sony A330

Here is a comprehensive comparison of the Pentax RZ10 vs Sony A330, one being a Small Sensor Compact and the latter is a Entry-Level DSLR by competitors Pentax and Sony. There is a significant difference among the resolutions of the RZ10 (14MP) and A330 (10MP) and the RZ10 (1/2.3") and A330 (APS-C) boast different sensor sizing.

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The RZ10 was revealed 2 years later than the A330 and that is a fairly sizable gap as far as camera tech is concerned. The two cameras have different body design with the Pentax RZ10 being a Compact camera and the Sony A330 being a Compact SLR camera.

Before delving straight to a step-by-step comparison, here is a simple introduction of how the RZ10 grades against the A330 with respect to portability, imaging, features and an overall rating.

The following is a preview of the gallery photos for Pentax Optio RZ10 and Sony Alpha DSLR-A330. The full galleries are viewable at Pentax RZ10 Gallery and Sony A330 Gallery.

For anyone who is aiming to carry your camera frequently, you'll need to factor its weight and size. The Pentax RZ10 offers outside dimensions of 97mm x 61mm x 33mm (3.8" x 2.4" x 1.3") with a weight of 178 grams (0.39 lbs) whilst the Sony A330 has specifications of 128mm x 97mm x 71mm (5.0" x 3.8" x 2.8") accompanied by a weight of 529 grams (1.17 lbs).

Check the Pentax RZ10 vs Sony A330 in the new Camera with Lens Size Comparison Tool.

Keep in mind, the weight of an Interchangeable Lens Camera will vary depending on the lens you are utilising at that time. Here is a front view over all size comparison of the RZ10 and the A330.

Taking into consideration size and weight, the portability rating of the RZ10 and A330 is 92 and 67 respectively.

Oftentimes, it is hard to visualize the contrast in sensor sizing merely by going through a spec sheet. The photograph below should give you a clearer sense of the sensor dimensions in the RZ10 and A330.

Clearly, both of these cameras have different megapixels and different sensor sizing. The RZ10 using its smaller sensor is going to make shooting shallow DOF more challenging and the Pentax RZ10 will produce more detail because of its extra 4 Megapixels. Higher resolution can also allow you to crop pictures a bit more aggressively. The younger RZ10 provides an edge when it comes to sensor innovation.