Sigma SD15 vs Sony TX1

In this write-up, we are comparing the Sigma SD15 versus Sony TX1, one being a Advanced DSLR and the other is a Ultracompact by competitors Sigma and Sony. There is a huge difference between the resolutions of the SD15 (5MP) and TX1 (10MP) and the SD15 (APS-C) and TX1 (1/2.4") enjoy totally different sensor sizes.

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The SD15 was announced 7 months later than the TX1 so they are both of a similar generation. Each of the cameras offer different body type with the Sigma SD15 being a Mid-size SLR camera and the Sony TX1 being a Ultracompact camera.

Before going through a detailed comparison, below is a brief summary of how the SD15 matches up vs the TX1 in relation to portability, imaging, features and an overall rating.

The following is a sample of the gallery pics for Sigma SD15 and Sony Cyber-shot DSC-TX1. The whole galleries are viewable at Sigma SD15 Gallery and Sony TX1 Gallery.

For anybody who is intending to carry your camera regularly, you need to think about its weight and volume. The Sigma SD15 provides outer dimensions of 144mm x 107mm x 81mm (5.7" x 4.2" x 3.2") having a weight of 750 grams (1.65 lbs) while the Sony TX1 has sizing of 94mm x 58mm x 17mm (3.7" x 2.3" x 0.7") having a weight of 142 grams (0.31 lbs).

Take a look at the Sigma SD15 versus Sony TX1 in the new Camera and Lens Size Comparison Tool.

Always remember, the weight of an Interchangeable Lens Camera will change dependant on the lens you choose during that time. Here is the front view over all size comparison of the SD15 versus the TX1.

Considering size and weight, the portability score of the SD15 and TX1 is 59 and 96 respectively.

In many cases, it is very difficult to envision the gap between sensor sizing just by reviewing technical specs. The graphic below might give you a better sense of the sensor sizes in the SD15 and TX1.

As you can tell, each of these cameras offer different megapixels and different sensor sizing. The SD15 with its larger sensor will make shooting shallow depth of field easier and the Sony TX1 will deliver greater detail with its extra 5 Megapixels. Greater resolution can also help you crop pics a little more aggressively. The younger SD15 will have a benefit with regard to sensor technology.