Pentax X90 vs Sigma DP1x

Below is a thorough analysis of the Pentax X90 versus Sigma DP1x, one being a Small Sensor Superzoom and the other is a Large Sensor Compact by competitors Pentax and Sigma. There exists a sizeable gap between the sensor resolutions of the X90 (12MP) and DP1x (5MP) and the X90 (1/2.3") and DP1x (APS-C) feature totally different sensor measurements.

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The X90 was announced 5 months later than the DP1x and they are both of a similar generation. The two cameras offer different body type with the Pentax X90 being a SLR-like (bridge) camera and the Sigma DP1x being a Large Sensor Compact camera.

Before going through a full comparison, below is a brief summary of how the X90 matches up against the DP1x with regards to portability, imaging, features and an overall grade.

The following is a sample of the gallery pictures for Pentax X90 and Sigma DP1x. The whole galleries are available at Pentax X90 Gallery and Sigma DP1x Gallery.

If you are looking to lug around your camera regularly, you have to take into account its weight and dimensions. The Pentax X90 has got external measurements of 111mm x 85mm x 110mm (4.4" x 3.3" x 4.3") and a weight of 428 grams (0.94 lbs) and the Sigma DP1x has dimensions of 113mm x 60mm x 50mm (4.4" x 2.4" x 2.0") accompanied by a weight of 250 grams (0.55 lbs).

See the Pentax X90 versus Sigma DP1x in the new Camera with Lens Size Comparison Tool.

Take into account, the weight of an Interchangeable Lens Camera will change depending on the lens you have attached during that time. Following is the front view dimensions comparison of the X90 against the DP1x.

Taking into account dimensions and weight, the portability rating of the X90 and DP1x is 69 and 88 respectively.

Quite often, its tough to see the contrast between sensor measurements merely by reviewing a spec sheet. The photograph below may give you a much better sense of the sensor measurements in the X90 and DP1x.

As you can see, both of the cameras offer different resolutions and different sensor measurements. The X90 having a tinier sensor will make shooting shallower depth of field tougher and the Pentax X90 will offer you extra detail with its extra 7MP. Greater resolution can also help you crop images a little more aggressively.