Sigma SD9 vs Sony TX20

Here, we will be analyzing the Sigma SD9 versus Sony TX20, former is a Advanced DSLR while the latter is a Ultracompact by rivals Sigma and Sony. There exists a considerable gap among the sensor resolutions of the SD9 (3MP) and TX20 (16MP) and the SD9 (APS-C) and TX20 (1/2.3") offer totally different sensor sizing.

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The SD9 was announced 10 years prior to the TX20 which is a fairly large difference as far as camera technology is concerned. Each of the cameras feature different body design with the Sigma SD9 being a Mid-size SLR camera and the Sony TX20 being a Ultracompact camera.

Before diving straight to a comprehensive comparison, here is a brief synopsis of how the SD9 grades vs the TX20 in the way of portability, imaging, features and an overall score.

The following is a preview of the gallery photos for Sigma SD9 & Sony Cyber-shot DSC-TX20. The whole galleries are available at Sigma SD9 Gallery & Sony TX20 Gallery.

When you are intending to carry around your camera often, you'll have to take into account its weight and dimensions. The Sigma SD9 has physical dimensions of 152mm x 120mm x 79mm (6.0" x 4.7" x 3.1") with a weight of 950 grams (2.09 lbs) and the Sony TX20 has dimensions of 96mm x 56mm x 18mm (3.8" x 2.2" x 0.7") along with a weight of 133 grams (0.29 lbs).

See the Sigma SD9 versus Sony TX20 in our brand new Camera plus Lens Size Comparison Tool.

Remember that, the weight of an ILC will change depending on the lens you are employing at the time. Below is a front view measurements comparison of the SD9 versus the TX20.

Using dimensions and weight, the portability grade of the SD9 and TX20 is 54 and 96 respectively.

Quite often, it can be difficult to see the gap in sensor sizes purely by viewing specifications. The picture here may provide you a greater sense of the sensor sizes in the SD9 and TX20.

Plainly, the 2 cameras feature different megapixel count and different sensor sizes. The SD9 having a bigger sensor will make achieving shallower DOF easier and the Sony TX20 will result in extra detail with its extra 13 Megapixels. Higher resolution will enable you to crop photographs way more aggressively. The more aged SD9 will be disadvantaged with regard to sensor innovation.