Sigma SD15 vs Sony W650

Here is a extended review of the Sigma SD15 and Sony W650, one being a Advanced DSLR and the latter is a Small Sensor Compact by brands Sigma and Sony. There is a huge difference between the image resolutions of the SD15 (5MP) and W650 (16MP) and the SD15 (APS-C) and W650 (1/2.3") have totally different sensor sizing.

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The SD15 was launched 22 months before the W650 which makes them a generation apart from each other. Each of these cameras have different body design with the Sigma SD15 being a Mid-size SLR camera and the Sony W650 being a Compact camera.

Before going into a detailed comparison, here is a concise view of how the SD15 scores versus the W650 when considering portability, imaging, features and an overall rating.

Following is a preview of the gallery photos for Sigma SD15 and Sony Cyber-shot DSC-W650. The complete galleries are available at Sigma SD15 Gallery and Sony W650 Gallery.

For anyone who is going to carry your camera regularly, you should think about its weight and size. The Sigma SD15 comes with outer dimensions of 144mm x 107mm x 81mm (5.7" x 4.2" x 3.2") and a weight of 750 grams (1.65 lbs) whilst the Sony W650 has specifications of 94mm x 56mm x 19mm (3.7" x 2.2" x 0.7") accompanied by a weight of 124 grams (0.27 lbs).

Compare the Sigma SD15 and Sony W650 in the latest Camera with Lens Size Comparison Tool.

Take into account, the weight of an Interchangeable Lens Camera will vary depending on the lens you are employing at that moment. Below is a front view over all size comparison of the SD15 versus the W650.

Taking into consideration size and weight, the portability rating of the SD15 and W650 is 59 and 96 respectively.

In many cases, it's tough to see the difference between sensor sizing just by checking specifications. The graphic underneath should offer you a greater sense of the sensor dimensions in the SD15 and W650.

To sum up, both of these cameras provide different resolutions and different sensor sizing. The SD15 because of its bigger sensor will make achieving bokeh less difficult and the Sony W650 will give greater detail utilizing its extra 11 Megapixels. Higher resolution can also make it easier to crop pictures more aggressively. The older SD15 is going to be disadvantaged when it comes to sensor innovation.