Sigma DP2 vs Sony W620

Here is a comprehensive overview of the Sigma DP2 and Sony W620, one being a Large Sensor Compact and the latter is a Small Sensor Compact by brands Sigma and Sony. There exists a significant gap between the image resolutions of the DP2 (5MP) and W620 (14MP) and the DP2 (APS-C) and W620 (1/2.3") provide different sensor dimensions.

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The DP2 was unveiled 3 years prior to the W620 and that is quite a sizable gap as far as technology is concerned. Both the cameras have different body design with the Sigma DP2 being a Large Sensor Compact camera and the Sony W620 being a Compact camera.

Before delving right into a in depth comparison, here is a short overview of how the DP2 grades vs the W620 in relation to portability, imaging, features and an overall rating.

This is a preview of the gallery images for Sigma DP2 and Sony Cyber-shot DSC-W620. The full galleries are available at Sigma DP2 Gallery and Sony W620 Gallery.

If you're intending to carry your camera frequently, you will need to take into account its weight and measurements. The Sigma DP2 features outer dimensions of 113mm x 60mm x 56mm (4.4" x 2.4" x 2.2") and a weight of 280 grams (0.62 lbs) and the Sony W620 has proportions of 98mm x 56mm x 20mm (3.9" x 2.2" x 0.8") accompanied by a weight of 116 grams (0.26 lbs).

Check the Sigma DP2 and Sony W620 in the new Camera and Lens Size Comparison Tool.

Take into consideration, the weight of an Interchangeable Lens Camera will vary depending on the lens you have attached at that time. Here is a front view sizing comparison of the DP2 and the W620.

Factoring in dimensions and weight, the portability rating of the DP2 and W620 is 86 and 96 respectively.

Sometimes, it's tough to imagine the gap between sensor sizing only by going over specs. The graphic here may provide you a better sense of the sensor dimensions in the DP2 and W620.

All in all, both the cameras have different megapixel count and different sensor sizing. The DP2 having a bigger sensor is going to make getting shallower DOF less difficult and the Sony W620 will deliver greater detail having an extra 9MP. Higher resolution can also make it easier to crop photographs a bit more aggressively. The older DP2 is going to be behind when it comes to sensor innovation.