Sigma SD15 vs Sony W620

In this article, we will be contrasting the Sigma SD15 vs Sony W620, one is a Advanced DSLR and the latter is a Small Sensor Compact by companies Sigma and Sony. There is a big difference among the resolutions of the SD15 (5MP) and W620 (14MP) and the SD15 (APS-C) and W620 (1/2.3") enjoy different sensor dimensions.

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The SD15 was unveiled 22 months prior to the W620 which makes the cameras a generation away from each other. Both the cameras offer different body type with the Sigma SD15 being a Mid-size SLR camera and the Sony W620 being a Compact camera.

Before we go in to a complete comparison, below is a brief summation of how the SD15 scores versus the W620 in terms of portability, imaging, features and an overall score.

This is a preview of the gallery photos for Sigma SD15 and Sony Cyber-shot DSC-W620. The full galleries are viewable at Sigma SD15 Gallery and Sony W620 Gallery.

For those who are going to carry around your camera, you're going to have to factor in its weight and dimensions. The Sigma SD15 offers external measurements of 144mm x 107mm x 81mm (5.7" x 4.2" x 3.2") having a weight of 750 grams (1.65 lbs) while the Sony W620 has dimensions of 98mm x 56mm x 20mm (3.9" x 2.2" x 0.8") with a weight of 116 grams (0.26 lbs).

See the Sigma SD15 vs Sony W620 in the all new Camera and Lens Size Comparison Tool.

Bear in mind, the weight of an Interchangeable Lens Camera will change based on the lens you have attached at that time. Following is the front view overall size comparison of the SD15 vs the W620.

Looking at size and weight, the portability rating of the SD15 and W620 is 59 and 96 respectively.

Generally, it can be hard to picture the contrast in sensor sizes just by going through specifications. The image here will provide you a greater sense of the sensor sizing in the SD15 and W620.

Plainly, both of the cameras offer different resolutions and different sensor sizes. The SD15 using its bigger sensor is going to make shooting shallower DOF simpler and the Sony W620 will provide extra detail having an extra 9 Megapixels. Higher resolution will also allow you to crop shots a little more aggressively. The more aged SD15 will be behind with regard to sensor innovation.