Sony A330 vs Sony S2100

Here, we are comparing the Sony A330 and Sony S2100, one is a Entry-Level DSLR and the other is a Small Sensor Compact and both of them are created by Sony. The image resolution of the A330 (10MP) and the S2100 (12MP) is very close but the A330 (APS-C) and S2100 (1/2.3") offer totally different sensor dimensions.

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The A330 was revealed 7 months earlier than the S2100 so they are of a similar generation. Both of these cameras feature different body design with the Sony A330 being a Compact SLR camera and the Sony S2100 being a Compact camera.

Before diving straight to a detailed comparison, here is a quick summary of how the A330 grades vs the S2100 in regards to portability, imaging, features and an overall score.

This is a sample of the gallery pics for Sony Alpha DSLR-A330 and Sony Cyber-shot DSC-S2100. The full galleries are available at Sony A330 Gallery and Sony S2100 Gallery.

In case you're planning to carry around your camera frequently, you will have to factor in its weight and dimensions. The Sony A330 features physical dimensions of 128mm x 97mm x 71mm (5.0" x 3.8" x 2.8") and a weight of 529 grams (1.17 lbs) while the Sony S2100 has dimensions of 98mm x 61mm x 27mm (3.9" x 2.4" x 1.1") and a weight of 167 grams (0.37 lbs).

Compare the Sony A330 and Sony S2100 in the all new Camera and Lens Size Comparison Tool.

Take into account, the weight of an Interchangeable Lens Camera will change based on the lens you choose during that time. Here is a front view physical size comparison of the A330 versus the S2100.

Taking into consideration dimensions and weight, the portability grade of the A330 and S2100 is 67 and 93 respectively.

More often than not, its difficult to visualise the contrast in sensor sizes just by viewing a spec sheet. The picture below may provide you a greater sense of the sensor sizes in the A330 and S2100.

As you can see, the two cameras feature different resolutions and different sensor sizes. The A330 with its larger sensor will make shooting shallower depth of field easier and the Sony S2100 will result in extra detail because of its extra 2MP. Greater resolution can also let you crop pics way more aggressively. The more aged A330 will be disadvantaged with regard to sensor technology.