Canon SX20 IS vs Sigma DP1

The following is a in-depth comparison of the Canon SX20 IS and Sigma DP1, one is a Small Sensor Superzoom and the other is a Large Sensor Compact by manufacturers Canon and Sigma. There is a big difference between the image resolutions of the SX20 IS (12MP) and DP1 (5MP) and the SX20 IS (1/2.3") and DP1 (APS-C) come with totally different sensor measurements.

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The SX20 IS was launched 2 years after the DP1 which is quite a big gap as far as tech is concerned. Both the cameras come with different body type with the Canon SX20 IS being a SLR-like (bridge) camera and the Sigma DP1 being a Large Sensor Compact camera.

Before delving through a more detailed comparison, below is a concise overview of how the SX20 IS matches up against the DP1 when considering portability, imaging, features and an overall mark.

Following is a sample of the gallery pictures for Canon PowerShot SX20 IS and Sigma DP1. The complete galleries are available at Canon SX20 IS Gallery and Sigma DP1 Gallery.

For anyone who is planning to travel with your camera often, you're going to have to think about its weight and volume. The Canon SX20 IS has got external measurements of 128mm x 88mm x 87mm (5.0" x 3.5" x 3.4") along with a weight of 600 grams (1.32 lbs) and the Sigma DP1 has sizing of 113mm x 60mm x 50mm (4.4" x 2.4" x 2.0") and a weight of 270 grams (0.60 lbs).

Take a look at the Canon SX20 IS and Sigma DP1 in the all new Camera and Lens Size Comparison Tool.

Remember that, the weight of an Interchangeable Lens Camera will vary based on the lens you have at the time. Here is the front view proportions comparison of the SX20 IS vs the DP1.

Using size and weight, the portability grade of the SX20 IS and DP1 is 65 and 87 respectively.

Generally, it is very tough to envision the difference between sensor dimensions merely by reading specifications. The image below may offer you a better sense of the sensor sizing in the SX20 IS and DP1.

Plainly, both of the cameras have got different megapixel count and different sensor dimensions. The SX20 IS featuring a tinier sensor will make achieving shallower DOF more difficult and the Canon SX20 IS will offer greater detail utilizing its extra 7MP. Greater resolution can also let you crop photos much more aggressively. The younger SX20 IS is going to have an edge in sensor tech.