Canon SX20 IS vs Sigma DP2x

On this page, we are reviewing the Canon SX20 IS and Sigma DP2x, former being a Small Sensor Superzoom while the other is a Large Sensor Compact by competitors Canon and Sigma. There exists a substantial gap between the resolutions of the SX20 IS (12MP) and DP2x (5MP) and the SX20 IS (1/2.3") and DP2x (APS-C) boast different sensor dimensions.

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The SX20 IS was announced 7 months prior to the DP2x and they are both of a similar age. The two cameras have different body design with the Canon SX20 IS being a SLR-like (bridge) camera and the Sigma DP2x being a Large Sensor Compact camera.

Before getting right into a comprehensive comparison, here is a quick highlight of how the SX20 IS matches up vs the DP2x when it comes to portability, imaging, features and an overall rating.

Here is a sample of the gallery pictures for Canon PowerShot SX20 IS & Sigma DP2x. The whole galleries are provided at Canon SX20 IS Gallery & Sigma DP2x Gallery.

If you're planning to carry your camera often, you need to think about its weight and dimensions. The Canon SX20 IS provides exterior dimensions of 128mm x 88mm x 87mm (5.0" x 3.5" x 3.4") with a weight of 600 grams (1.32 lbs) and the Sigma DP2x has dimensions of 113mm x 60mm x 56mm (4.4" x 2.4" x 2.2") accompanied by a weight of 280 grams (0.62 lbs).

Analyze the Canon SX20 IS and Sigma DP2x in our completely new Camera plus Lens Size Comparison Tool.

Do not forget, the weight of an ILC will differ based on the lens you choose at that moment. Below is a front view physical size comparison of the SX20 IS compared to the DP2x.

Using dimensions and weight, the portability grade of the SX20 IS and DP2x is 65 and 86 respectively.

More often than not, its tough to imagine the contrast between sensor sizing purely by reading through specifications. The photograph underneath will help give you a better sense of the sensor dimensions in the SX20 IS and DP2x.

Plainly, both cameras provide different resolutions and different sensor sizing. The SX20 IS using its tinier sensor is going to make getting shallower depth of field more difficult and the Canon SX20 IS will give extra detail with its extra 7MP. Greater resolution will let you crop pics more aggressively. The older SX20 IS is going to be disadvantaged in sensor tech.