Pentax X70 vs Sigma DP2x

Below is a thorough assessment of the Pentax X70 and Sigma DP2x, one being a Small Sensor Superzoom and the latter is a Large Sensor Compact by competitors Pentax and Sigma. There is a crucial difference between the resolutions of the X70 (12MP) and DP2x (5MP) and the X70 (1/2.3") and DP2x (APS-C) enjoy totally different sensor measurements.

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The X70 was revealed 23 months earlier than the DP2x which makes the cameras a generation apart from each other. Each of the cameras come with different body type with the Pentax X70 being a SLR-like (bridge) camera and the Sigma DP2x being a Large Sensor Compact camera.

Before we go through a in depth comparison, below is a brief overview of how the X70 scores against the DP2x when considering portability, imaging, features and an overall grade.

This is a preview of the gallery images for Pentax X70 and Sigma DP2x. The full galleries are provided at Pentax X70 Gallery and Sigma DP2x Gallery.

If you're planning to lug around your camera regularly, you have to factor its weight and volume. The Pentax X70 enjoys outside measurements of 110mm x 83mm x 90mm (4.3" x 3.3" x 3.5") and a weight of 410 grams (0.90 lbs) and the Sigma DP2x has sizing of 113mm x 60mm x 56mm (4.4" x 2.4" x 2.2") along with a weight of 280 grams (0.62 lbs).

Take a look at the Pentax X70 and Sigma DP2x in the new Camera and Lens Size Comparison Tool.

Keep in mind, the weight of an Interchangeable Lens Camera will differ dependant on the lens you are utilizing at the time. Following is the front view measurements comparison of the X70 against the DP2x.

Factoring in size and weight, the portability grade of the X70 and DP2x is 71 and 86 respectively.

Often, it can be hard to envision the gap between sensor measurements purely by checking specs. The visual here will give you a stronger sense of the sensor measurements in the X70 and DP2x.

As you can plainly see, both of the cameras posses different megapixel count and different sensor measurements. The X70 having a tinier sensor will make getting shallow depth of field more difficult and the Pentax X70 will give you greater detail because of its extra 7 Megapixels. Higher resolution will also enable you to crop shots somewhat more aggressively. The older X70 is going to be disadvantaged when it comes to sensor technology.