Sigma DP1s vs Sony TX20

Let's look closer at the Sigma DP1s versus Sony TX20, one being a Large Sensor Compact and the latter is a Ultracompact by rivals Sigma and Sony. There exists a crucial gap between the resolutions of the DP1s (5MP) and TX20 (16MP) and the DP1s (APS-C) and TX20 (1/2.3") offer totally different sensor dimensions.

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The DP1s was released 3 years before the TX20 and that is quite a serious gap as far as technology is concerned. Both of the cameras feature different body design with the Sigma DP1s being a Large Sensor Compact camera and the Sony TX20 being a Ultracompact camera.

Before going into a more detailed comparison, here is a concise highlight of how the DP1s matches up against the TX20 when considering portability, imaging, features and an overall rating.

Here is a preview of the gallery images for Sigma DP1s and Sony Cyber-shot DSC-TX20. The complete galleries are viewable at Sigma DP1s Gallery and Sony TX20 Gallery.

If you are aiming to carry your camera often, you are going to need to think about its weight and proportions. The Sigma DP1s enjoys physical dimensions of 109mm x 60mm x 31mm (4.3" x 2.4" x 1.2") having a weight of 270 grams (0.60 lbs) while the Sony TX20 has measurements of 96mm x 56mm x 18mm (3.8" x 2.2" x 0.7") with a weight of 133 grams (0.29 lbs).

Examine the Sigma DP1s versus Sony TX20 in the all new Camera with Lens Size Comparison Tool.

Remember that, the weight of an Interchangeable Lens Camera will change dependant on the lens you select at that moment. The following is a front view physical size comparison of the DP1s against the TX20.

Looking at dimensions and weight, the portability rating of the DP1s and TX20 is 90 and 96 respectively.

Sometimes, it is difficult to visualise the difference between sensor sizing only by checking a spec sheet. The graphic underneath might offer you a better sense of the sensor sizes in the DP1s and TX20.

As you can see, both of the cameras come with different megapixel count and different sensor sizing. The DP1s featuring a bigger sensor will make shooting shallow depth of field easier and the Sony TX20 will resolve greater detail as a result of its extra 11 Megapixels. Higher resolution will also let you crop pictures a good deal more aggressively. The older DP1s is going to be behind with regard to sensor tech.