Sony A550 vs Sony T900

In this write-up, we will be looking at the Sony A550 and Sony T900, former being a Entry-Level DSLR while the latter is a Ultracompact and both are sold by Sony. The sensor resolution of the A550 (14MP) and the T900 (12MP) is relatively well matched but the A550 (APS-C) and T900 (1/2.3") come with different sensor sizes.

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The A550 was released 10 months later than the T900 which means that they are both of a similar age. Both of the cameras offer different body type with the Sony A550 being a Compact SLR camera and the Sony T900 being a Ultracompact camera.

Before delving straight into a comprehensive comparison, below is a short highlight of how the A550 grades against the T900 in regards to portability, imaging, features and an overall rating.

The following is a preview of the gallery photos for Sony Alpha DSLR-A550 & Sony Cyber-shot DSC-T900. The complete galleries are provided at Sony A550 Gallery & Sony T900 Gallery.

For anyone who is intending to carry your camera, you will have to factor its weight and measurements. The Sony A550 enjoys physical measurements of 137mm x 104mm x 84mm (5.4" x 4.1" x 3.3") with a weight of 632 grams (1.39 lbs) and the Sony T900 has proportions of 98mm x 58mm x 16mm (3.9" x 2.3" x 0.6") accompanied by a weight of 143 grams (0.32 lbs).

Check out the Sony A550 and Sony T900 in our completely new Camera plus Lens Size Comparison Tool.

Do not forget, the weight of an ILC will change depending on the lens you use during that time. Below is the front view over all size comparison of the A550 versus the T900.

Considering size and weight, the portability grade of the A550 and T900 is 63 and 96 respectively.

Generally, it's hard to imagine the gap between sensor sizing just by checking technical specs. The graphic underneath may provide you a stronger sense of the sensor sizing in the A550 and T900.

As you have seen, both cameras offer different megapixels and different sensor sizing. The A550 because of its bigger sensor is going to make getting shallow depth of field easier and the Sony A550 will give extra detail as a result of its extra 2MP. Higher resolution will also let you crop shots a little more aggressively. The more recent A550 provides a benefit with regard to sensor innovation.