Sigma SD9 vs Sony TX7

Below, we are analyzing the Sigma SD9 versus Sony TX7, one being a Advanced DSLR and the other is a Ultracompact by brands Sigma and Sony. There exists a crucial gap between the sensor resolutions of the SD9 (3MP) and TX7 (10MP) and the SD9 (APS-C) and TX7 (1/2.4") feature different sensor sizing.

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The SD9 was introduced 8 years before the TX7 and that is quite a serious gap as far as technology is concerned. Both of the cameras come with different body type with the Sigma SD9 being a Mid-size SLR camera and the Sony TX7 being a Ultracompact camera.

Before getting through a thorough comparison, below is a brief summary of how the SD9 scores against the TX7 in regards to portability, imaging, features and an overall rating.

The following is a sample of the gallery pictures for Sigma SD9 and Sony Cyber-shot DSC-TX7. The whole galleries are available at Sigma SD9 Gallery and Sony TX7 Gallery.

In case you're looking to carry your camera often, you will have to consider its weight and proportions. The Sigma SD9 enjoys physical measurements of 152mm x 120mm x 79mm (6.0" x 4.7" x 3.1") accompanied by a weight of 950 grams (2.09 lbs) while the Sony TX7 has measurements of 98mm x 60mm x 18mm (3.9" x 2.4" x 0.7") with a weight of 149 grams (0.33 lbs).

Take a look at the Sigma SD9 versus Sony TX7 in the new Camera with Lens Size Comparison Tool.

Don't forget, the weight of an Interchangeable Lens Camera will differ dependant on the lens you are working with at that time. Following is the front view dimensions comparison of the SD9 against the TX7.

Taking into account dimensions and weight, the portability grade of the SD9 and TX7 is 54 and 95 respectively.

Normally, it is very tough to visualize the contrast between sensor sizing purely by checking specifications. The visual underneath might give you a far better sense of the sensor sizing in the SD9 and TX7.

Plainly, the two cameras have got different megapixel count and different sensor sizing. The SD9 using its larger sensor is going to make getting shallower depth of field easier and the Sony TX7 will resolve greater detail using its extra 7MP. Greater resolution can also make it easier to crop photos much more aggressively. The older SD9 is going to be disadvantaged when it comes to sensor technology.