Sigma SD15 vs Sony W570

Here is a in depth comparison of the Sigma SD15 versus Sony W570, former being a Advanced DSLR while the other is a Ultracompact by companies Sigma and Sony. There exists a noticeable gap among the resolutions of the SD15 (5MP) and W570 (16MP) and the SD15 (APS-C) and W570 (1/2.3") posses totally different sensor sizing.

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The SD15 was launched 10 months before the W570 which means that they are both of a similar age. The two cameras feature different body design with the Sigma SD15 being a Mid-size SLR camera and the Sony W570 being a Ultracompact camera.

Before going into a complete comparison, here is a brief summary of how the SD15 matches up vs the W570 in terms of portability, imaging, features and an overall rating.

Here is a sample of the gallery pictures for Sigma SD15 & Sony Cyber-shot DSC-W570. The complete galleries are available at Sigma SD15 Gallery & Sony W570 Gallery.

In case you're looking to carry your camera regularly, you need to think about its weight and volume. The Sigma SD15 has outer measurements of 144mm x 107mm x 81mm (5.7" x 4.2" x 3.2") along with a weight of 750 grams (1.65 lbs) whilst the Sony W570 has sizing of 91mm x 52mm x 19mm (3.6" x 2.0" x 0.7") having a weight of 116 grams (0.26 lbs).

Check out the Sigma SD15 versus Sony W570 in our completely new Camera plus Lens Size Comparison Tool.

Take into account, the weight of an ILC will change depending on the lens you use at that time. Following is a front view measurements comparison of the SD15 against the W570.

Taking into consideration dimensions and weight, the portability grade of the SD15 and W570 is 59 and 96 respectively.

Normally, it's difficult to see the difference in sensor sizing simply by researching technical specs. The graphic here may give you a much better sense of the sensor measurements in the SD15 and W570.

As you have seen, both cameras come with different megapixels and different sensor sizing. The SD15 because of its larger sensor will make getting shallower depth of field easier and the Sony W570 will render greater detail utilizing its extra 11 Megapixels. Greater resolution will also allow you to crop pics a good deal more aggressively. The older SD15 will be disadvantaged with regard to sensor tech.