Pentax X90 vs Sigma DP2

Here is a in-depth analysis of the Pentax X90 vs Sigma DP2, one being a Small Sensor Superzoom and the other is a Large Sensor Compact by manufacturers Pentax and Sigma. There exists a big gap between the resolutions of the X90 (12MP) and DP2 (5MP) and the X90 (1/2.3") and DP2 (APS-C) have totally different sensor size.

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The X90 was brought out 10 months later than the DP2 and they are both of a similar generation. Both of the cameras have different body design with the Pentax X90 being a SLR-like (bridge) camera and the Sigma DP2 being a Large Sensor Compact camera.

Before going right into a full comparison, here is a simple view of how the X90 matches up versus the DP2 with regard to portability, imaging, features and an overall rating.

Below is a sample of the gallery pics for Pentax X90 and Sigma DP2. The entire galleries are viewable at Pentax X90 Gallery and Sigma DP2 Gallery.

If you are intending to carry your camera regularly, you will need to think about its weight and dimensions. The Pentax X90 enjoys outside dimensions of 111mm x 85mm x 110mm (4.4" x 3.3" x 4.3") along with a weight of 428 grams (0.94 lbs) whilst the Sigma DP2 has dimensions of 113mm x 60mm x 56mm (4.4" x 2.4" x 2.2") with a weight of 280 grams (0.62 lbs).

Compare the Pentax X90 vs Sigma DP2 in the new Camera and Lens Size Comparison Tool.

Do not forget, the weight of an Interchangeable Lens Camera will vary dependant on the lens you are using at that moment. Underneath is a front view scale comparison of the X90 versus the DP2.

Taking into account dimensions and weight, the portability score of the X90 and DP2 is 69 and 86 respectively.

Quite often, it is difficult to envision the difference between sensor sizing just by reviewing technical specs. The photograph here may give you a greater sense of the sensor dimensions in the X90 and DP2.

As you have seen, the two cameras have different resolutions and different sensor sizing. The X90 featuring a tinier sensor will make achieving shallow DOF more difficult and the Pentax X90 will deliver more detail having its extra 7MP. Greater resolution can also allow you to crop pics a bit more aggressively. The younger X90 is going to have a benefit with regard to sensor tech.