Pentax W90 vs Sony A330

Here, we will be contrasting the Pentax W90 and Sony A330, one being a Waterproof and the latter is a Entry-Level DSLR by competitors Pentax and Sony. The resolution of the W90 (12MP) and the A330 (10MP) is pretty well matched but the W90 (1/2.3") and A330 (APS-C) have totally different sensor dimensions.

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The W90 was unveiled 10 months later than the A330 and they are both of a similar generation. Both of the cameras feature different body design with the Pentax W90 being a Compact camera and the Sony A330 being a Compact SLR camera.

Before diving straight to a in-depth comparison, here is a short view of how the W90 grades vs the A330 in terms of portability, imaging, features and an overall rating.

This is a preview of the gallery images for Pentax Optio W90 and Sony Alpha DSLR-A330. The full galleries are viewable at Pentax W90 Gallery and Sony A330 Gallery.

When you are going to carry your camera, you will want to factor its weight and measurements. The Pentax W90 has got outside measurements of 108mm x 59mm x 25mm (4.3" x 2.3" x 1.0") along with a weight of 164 grams (0.36 lbs) while the Sony A330 has proportions 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 W90 and Sony A330 in the all new Camera and Lens Size Comparison Tool.

Remember that, 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 W90 compared to the A330.

Considering size and weight, the portability score of the W90 and A330 is 94 and 67 respectively.

In many cases, it is hard to envision the contrast between sensor sizing purely by looking at specs. The graphic underneath may provide you a greater sense of the sensor measurements in the W90 and A330.

As you can plainly see, both cameras feature different resolutions and different sensor sizing. The W90 using its tinier sensor will make shooting shallower depth of field tougher and the Pentax W90 will resolve more detail having an extra 2MP. Higher resolution can also make it easier to crop pictures way more aggressively. The younger W90 will have a benefit with regard to sensor innovation.