Sigma SD9 vs Sony TX9

Below is a extended assessment of the Sigma SD9 versus Sony TX9, former being a Advanced DSLR while the latter is a Ultracompact by brands Sigma and Sony. There is a large difference among the resolutions of the SD9 (3MP) and TX9 (12MP) and the SD9 (APS-C) and TX9 (1/2.3") provide totally different sensor sizes.

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The SD9 was unveiled 8 years earlier than the TX9 and that is a fairly serious difference as far as camera tech is concerned. The two cameras have different body design with the Sigma SD9 being a Mid-size SLR camera and the Sony TX9 being a Ultracompact camera.

Before diving into a in-depth comparison, here is a concise view of how the SD9 scores against the TX9 for portability, imaging, features and an overall grade.

Following is a preview of the gallery photos for Sigma SD9 & Sony Cyber-shot DSC-TX9. The full galleries are viewable at Sigma SD9 Gallery & Sony TX9 Gallery.

If you're planning to lug around your camera often, you will need to factor in its weight and dimensions. The Sigma SD9 provides outside measurements of 152mm x 120mm x 79mm (6.0" x 4.7" x 3.1") and a weight of 950 grams (2.09 lbs) while the Sony TX9 has dimensions of 98mm x 60mm x 18mm (3.9" x 2.4" x 0.7") with a weight of 149 grams (0.33 lbs).

Compare the Sigma SD9 versus Sony TX9 in our brand new Camera plus Lens Size Comparison Tool.

Remember that, the weight of an ILC will differ depending on the lens you have at the time. Following is a front view scale comparison of the SD9 against the TX9.

Taking into consideration size and weight, the portability rating of the SD9 and TX9 is 54 and 95 respectively.

Often, it is very tough to see the difference in sensor measurements just by looking through technical specs. The photograph here will help give you a more clear sense of the sensor measurements in the SD9 and TX9.

As you can tell, each of the cameras have different megapixels and different sensor measurements. The SD9 having a bigger sensor will make shooting shallower DOF less difficult and the Sony TX9 will provide you with greater detail having an extra 9 Megapixels. Higher resolution will also allow you to crop photographs a bit more aggressively. The older SD9 will be disadvantaged with regard to sensor technology.