Pentax I-10 vs Sony A330

Its time to take a more detailed look at the Pentax I-10 and Sony A330, one being a Small Sensor Compact and the latter is a Entry-Level DSLR by rivals Pentax and Sony. The image resolution of the I-10 (12MP) and the A330 (10MP) is relatively well matched but the I-10 (1/2.3") and A330 (APS-C) have totally different sensor dimensions.

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The I-10 was introduced 9 months later than the A330 and they are both of a similar generation. Both of these cameras feature different body design with the Pentax I-10 being a Compact camera and the Sony A330 being a Compact SLR camera.

Before going straight to a comprehensive comparison, here is a concise highlight of how the I-10 grades versus the A330 with respect to portability, imaging, features and an overall rating.

Below is a preview of the gallery photos for Pentax Optio I-10 and Sony Alpha DSLR-A330. The whole galleries are available at Pentax I-10 Gallery and Sony A330 Gallery.

For anyone who is planning to carry your camera often, you're going to have to think about its weight and proportions. The Pentax I-10 provides exterior measurements of 101mm x 65mm x 28mm (4.0" x 2.6" x 1.1") along with a weight of 153 grams (0.34 lbs) whilst the Sony A330 has measurements 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 I-10 and Sony A330 in the latest Camera with Lens Size Comparison Tool.

Take into consideration, the weight of an Interchangeable Lens Camera will change depending on the lens you have attached at that time. The following is a front view sizing comparison of the I-10 compared to the A330.

Taking into account dimensions and weight, the portability grade of the I-10 and A330 is 93 and 67 respectively.

Normally, its difficult to visualise the gap between sensor sizing only by reading through technical specs. The photograph here might offer you a much better sense of the sensor measurements in the I-10 and A330.

As you can tell, the 2 cameras come with different resolutions and different sensor sizing. The I-10 having a tinier sensor will make achieving bokeh tougher and the Pentax I-10 will resolve extra detail using its extra 2MP. Higher resolution will make it easier to crop shots a good deal more aggressively. The more recent I-10 will have an edge with regard to sensor technology.