Sony W730 vs Sony A55

On this page, we are matching up the Sony W730 versus Sony A55, one is a Small Sensor Compact and the other is a Entry-Level DSLR and they are both produced by Sony. The image resolution of the W730 (16MP) and the A55 (16MP) is fairly comparable but the W730 (1/2.3") and A55 (APS-C) provide different sensor dimensions.

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The W730 was revealed 2 years after the A55 which is a fairly sizable gap as far as camera technology is concerned. Both cameras have different body design with the Sony W730 being a Compact camera and the Sony A55 being a Compact SLR camera.

Before diving right into a thorough comparison, here is a simple summation of how the W730 scores versus the A55 when considering portability, imaging, features and an overall score.

This is a sample of the gallery pictures for Sony Cyber-shot DSC-W730 and Sony SLT-A55. The full galleries are available at Sony W730 Gallery and Sony A55 Gallery.

If you're planning to carry around your camera frequently, you are going to need to consider its weight and proportions. The Sony W730 has physical measurements of 93mm x 52mm x 22mm (3.7" x 2.0" x 0.9") and a weight of 122 grams (0.27 lbs) while the Sony A55 has measurements of 124mm x 92mm x 85mm (4.9" x 3.6" x 3.3") and a weight of 500 grams (1.10 lbs).

Check out the Sony W730 versus Sony A55 in the latest Camera and Lens Size Comparison Tool.

Keep in mind, the weight of an Interchangeable Lens Camera will vary based on the lens you choose at that moment. The following is a front view measurement comparison of the W730 and the A55.

Considering dimensions and weight, the portability rating of the W730 and A55 is 96 and 67 respectively.

Normally, it is tough to imagine the contrast in sensor sizes only by seeing specifications. The picture underneath might offer you a much better sense of the sensor sizing in the W730 and A55.

To sum up, both of the cameras have the same megapixels but different sensor sizes. The W730 has got the smaller sensor which is going to make achieving shallower DOF tougher. The fresher W730 should have an edge when it comes to sensor tech.