Pentax X90 vs Sigma DP2 Quattro

Following is a detailed assessment of the Pentax X90 versus Sigma DP2 Quattro, former is a Small Sensor Superzoom while the latter is a Large Sensor Compact by competitors Pentax and Sigma. There exists a sizable gap between the sensor resolutions of the X90 (12MP) and DP2 Quattro (20MP) and the X90 (1/2.3") and DP2 Quattro (APS-C) boast different sensor sizes.

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The X90 was unveiled 4 years earlier than the DP2 Quattro which is quite a significant difference as far as technology is concerned. Both of the cameras have different body design with the Pentax X90 being a SLR-like (bridge) camera and the Sigma DP2 Quattro being a Large Sensor Compact camera.

Before going right into a full comparison, here is a concise overview of how the X90 matches up against the DP2 Quattro in terms of portability, imaging, features and an overall score.

Here is a preview of the gallery photos for Pentax X90 & Sigma DP2 Quattro. The full galleries are available at Pentax X90 Gallery & Sigma DP2 Quattro Gallery.

In case you're going to carry around your camera frequently, you need to take into account its weight and volume. The Pentax X90 has physical 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 Quattro has sizing of 161mm x 67mm x 82mm (6.3" x 2.6" x 3.2") along with a weight of 395 grams (0.87 lbs).

Compare the Pentax X90 versus Sigma DP2 Quattro in our completely new Camera & Lens Size Comparison Tool.

Keep in mind, the weight of an ILC will differ depending on the lens you use during that time. The following is a front view dimensions comparison of the X90 against the DP2 Quattro.

Taking into account dimensions and weight, the portability grade of the X90 and DP2 Quattro is 69 and 70 respectively.

Normally, it can be difficult to imagine the contrast between sensor sizes simply by going over specifications. The pic underneath will help give you a clearer sense of the sensor dimensions in the X90 and DP2 Quattro.

To sum up, both of the cameras provide different megapixels and different sensor sizes. The X90 with its tinier sensor is going to make achieving shallow depth of field more difficult and the Sigma DP2 Quattro will offer more detail having an extra 8MP. Higher resolution will also help you crop shots more aggressively. The more aged X90 is going to be behind when it comes to sensor innovation.