Sigma DP1 vs Sony TX20

In this article, we will be evaluating the Sigma DP1 vs Sony TX20, one being a Large Sensor Compact and the latter is a Ultracompact by brands Sigma and Sony. There exists a crucial gap among the sensor resolutions of the DP1 (5MP) and TX20 (16MP) and the DP1 (APS-C) and TX20 (1/2.3") possess different sensor dimensions.

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The DP1 was launched 4 years prior to the TX20 and that is a fairly serious gap as far as camera technology is concerned. The two cameras offer different body type with the Sigma DP1 being a Large Sensor Compact camera and the Sony TX20 being a Ultracompact camera.

Before delving straight into a in depth comparison, below is a quick highlight of how the DP1 grades vs the TX20 in terms of portability, imaging, features and an overall grade.

Here is a preview of the gallery photos for Sigma DP1 and Sony Cyber-shot DSC-TX20. The complete galleries are available at Sigma DP1 Gallery and Sony TX20 Gallery.

For anybody who is aiming to lug around your camera frequently, you need to think about its weight and measurements. The Sigma DP1 enjoys external dimensions of 113mm x 60mm x 50mm (4.4" x 2.4" x 2.0") having a weight of 270 grams (0.60 lbs) and the Sony TX20 has proportions of 96mm x 56mm x 18mm (3.8" x 2.2" x 0.7") and a weight of 133 grams (0.29 lbs).

Examine the Sigma DP1 vs Sony TX20 in the new Camera and Lens Size Comparison Tool.

Don't forget, the weight of an Interchangeable Lens Camera will differ dependant on the lens you have attached at that time. Below is the front view proportions comparison of the DP1 compared to the TX20.

Factoring in dimensions and weight, the portability grade of the DP1 and TX20 is 87 and 96 respectively.

More often than not, it is difficult to picture the gap in sensor measurements just by going through technical specs. The visual underneath should give you a more clear sense of the sensor sizes in the DP1 and TX20.

As you have seen, both of those cameras offer different megapixels and different sensor measurements. The DP1 because of its bigger sensor is going to make shooting shallower depth of field less difficult and the Sony TX20 will provide greater detail utilizing its extra 11MP. Higher resolution will help you crop pictures a little more aggressively. The older DP1 will be disadvantaged with regard to sensor innovation.