Sigma SD1 vs Sony W620

On this page, we will be reviewing the Sigma SD1 versus Sony W620, former being a Advanced DSLR while the latter is a Small Sensor Compact by rivals Sigma and Sony. The sensor resolution of the SD1 (15MP) and the W620 (14MP) is pretty similar but the SD1 (APS-C) and W620 (1/2.3") boast different sensor size.

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The SD1 was introduced 15 months before the W620 which makes them a generation apart from each other. Each of these cameras have different body design with the Sigma SD1 being a Mid-size SLR camera and the Sony W620 being a Compact camera.

Before we go straight to a complete comparison, here is a short introduction of how the SD1 matches up against the W620 with regard to portability, imaging, features and an overall grade.

Below is a preview of the gallery images for Sigma SD1 & Sony Cyber-shot DSC-W620. The whole galleries are provided at Sigma SD1 Gallery & Sony W620 Gallery.

If you are intending to lug around your camera regularly, you will need to take into account its weight and dimensions. The Sigma SD1 offers outer measurements of 146mm x 113mm x 80mm (5.7" x 4.4" x 3.1") and a weight of n/a grams (0.00 lbs) while the Sony W620 has dimensions of 98mm x 56mm x 20mm (3.9" x 2.2" x 0.8") along with a weight of 116 grams (0.26 lbs).

Compare the Sigma SD1 versus Sony W620 in our completely new Camera & Lens Size Comparison Tool.

Bear in mind, the weight of an ILC will change depending on the lens you are utilizing at that moment. Following is a front view proportions comparison of the SD1 versus the W620.

Using size and weight, the portability grade of the SD1 and W620 is 77 and 96 respectively.

Generally, it is difficult to imagine the contrast between sensor measurements merely by reviewing technical specs. The visual here may provide you a much better sense of the sensor measurements in the SD1 and W620.

As you can tell, both of those cameras have different megapixels and different sensor measurements. The SD1 having a bigger sensor is going to make getting shallow depth of field simpler and the Sigma SD1 will offer more detail using its extra 1MP. Higher resolution will also help you crop photographs a bit more aggressively. The older SD1 is going to be behind with regard to sensor technology.