Sigma SD9 vs Sony TX55

Following is a complete review of the Sigma SD9 vs Sony TX55, one is a Advanced DSLR and the other is a Ultracompact by brands Sigma and Sony. There is a huge difference between the sensor resolutions of the SD9 (3MP) and TX55 (16MP) and the SD9 (APS-C) and TX55 (1/2.3") feature different sensor size.

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The SD9 was announced 9 years earlier than the TX55 which is quite a significant gap as far as tech is concerned. Each of the cameras come with different body type with the Sigma SD9 being a Mid-size SLR camera and the Sony TX55 being a Ultracompact camera.

Before delving through a detailed comparison, below is a concise view of how the SD9 scores against the TX55 in regards to portability, imaging, features and an overall score.

Below is a sample of the gallery pics for Sigma SD9 and Sony Cyber-shot DSC-TX55. The whole galleries are viewable at Sigma SD9 Gallery and Sony TX55 Gallery.

When you are going to carry around your camera often, you'll need to factor in its weight and proportions. The Sigma SD9 features external measurements of 152mm x 120mm x 79mm (6.0" x 4.7" x 3.1") having a weight of 950 grams (2.09 lbs) and the Sony TX55 has measurements of 93mm x 54mm x 13mm (3.7" x 2.1" x 0.5") having a weight of 109 grams (0.24 lbs).

See the Sigma SD9 vs Sony TX55 in the latest Camera and Lens Size Comparison Tool.

Do not forget, the weight of an Interchangeable Lens Camera will change based on the lens you are using at that time. Here is the front view measurements comparison of the SD9 vs the TX55.

Factoring in size and weight, the portability rating of the SD9 and TX55 is 54 and 97 respectively.

In many cases, its tough to picture the contrast between sensor sizes just by reading specifications. The pic below will help offer you a far better sense of the sensor sizing in the SD9 and TX55.

To sum up, the two cameras posses different megapixels and different sensor sizes. The SD9 having a larger sensor is going to make achieving bokeh less difficult and the Sony TX55 will deliver greater detail with its extra 13MP. Greater resolution will also let you crop photos somewhat more aggressively. The more aged SD9 is going to be behind when it comes to sensor tech.