Sigma SD15 vs Sony TX30

Below, we will be comparing the Sigma SD15 versus Sony TX30, former being a Advanced DSLR while the latter is a Ultracompact by companies Sigma and Sony. There exists a large gap between the resolutions of the SD15 (5MP) and TX30 (18MP) and the SD15 (APS-C) and TX30 (1/2.3") possess totally different sensor sizes.

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The SD15 was revealed 4 years earlier than the TX30 and that is quite a serious difference as far as technology is concerned. Each of these cameras come with different body type with the Sigma SD15 being a Mid-size SLR camera and the Sony TX30 being a Ultracompact camera.

Before going in to a detailed comparison, below is a short view of how the SD15 grades versus the TX30 in the way of portability, imaging, features and an overall grade.

Here is a preview of the gallery images for Sigma SD15 & Sony Cyber-shot DSC-TX30. The full galleries are provided at Sigma SD15 Gallery & Sony TX30 Gallery.

In case you're going to lug around your camera regularly, you will have to consider its weight and dimensions. The Sigma SD15 has external dimensions of 144mm x 107mm x 81mm (5.7" x 4.2" x 3.2") accompanied by a weight of 750 grams (1.65 lbs) whilst the Sony TX30 has dimensions of 96mm x 59mm x 15mm (3.8" x 2.3" x 0.6") having a weight of 141 grams (0.31 lbs).

Compare the Sigma SD15 versus Sony TX30 in our newest Camera plus Lens Size Comparison Tool.

Do not forget, the weight of an ILC will change depending on the lens you are using at the time. Here is the front view sizing comparison of the SD15 against the TX30.

Taking into consideration dimensions and weight, the portability score of the SD15 and TX30 is 59 and 96 respectively.

More often than not, it's hard to visualise the difference between sensor measurements just by reviewing technical specs. The photograph underneath might provide you a better sense of the sensor sizes in the SD15 and TX30.

As you have seen, both of those cameras have got different megapixel count and different sensor measurements. The SD15 using its bigger sensor will make shooting shallower DOF easier and the Sony TX30 will offer extra detail because of its extra 13 Megapixels. Higher resolution will also make it easier to crop shots much more aggressively. The older SD15 is going to be behind in sensor technology.