Pentax RZ10 vs Sony A550

Following is a complete review of the Pentax RZ10 and Sony A550, former is a Small Sensor Compact while the latter is a Entry-Level DSLR by competitors Pentax and Sony. The image resolution of the RZ10 (14MP) and the A550 (14MP) is pretty similar but the RZ10 (1/2.3") and A550 (APS-C) possess different sensor size.

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The RZ10 was released 20 months after the A550 which makes the cameras a generation away from one another. Each of these cameras offer different body type with the Pentax RZ10 being a Compact camera and the Sony A550 being a Compact SLR camera.

Before diving straight into a comprehensive comparison, below is a short highlight of how the RZ10 matches up against the A550 when it comes to portability, imaging, features and an overall score.

Here is a preview of the gallery images for Pentax Optio RZ10 & Sony Alpha DSLR-A550. The complete galleries are available at Pentax RZ10 Gallery & Sony A550 Gallery.

If you are looking to carry around your camera regularly, you have to take into account its weight and proportions. The Pentax RZ10 offers outside dimensions of 97mm x 61mm x 33mm (3.8" x 2.4" x 1.3") accompanied by a weight of 178 grams (0.39 lbs) while the Sony A550 has measurements of 137mm x 104mm x 84mm (5.4" x 4.1" x 3.3") along with a weight of 632 grams (1.39 lbs).

Take a look at the Pentax RZ10 and Sony A550 in our newest Camera plus Lens Size Comparison Tool.

Take into consideration, the weight of an ILC will differ based on the lens you have chosen at that moment. The following is the front view over all size comparison of the RZ10 against the A550.

Considering dimensions and weight, the portability grade of the RZ10 and A550 is 92 and 63 respectively.

Quite often, it is very tough to visualize the contrast between sensor sizes only by going over technical specs. The picture underneath will offer you a better sense of the sensor dimensions in the RZ10 and A550.

As you have seen, both of these cameras offer the same exact megapixel count albeit different sensor sizes. The RZ10 has got the tinier sensor which is going to make obtaining bokeh trickier. The more recent RZ10 should have an advantage with regard to sensor tech.