Sony A550 vs Sony T90

Lets examine more closely at the Sony A550 versus Sony T90, one being a Entry-Level DSLR and the other is a Ultracompact and both of them are offered by Sony. The resolution of the A550 (14MP) and the T90 (12MP) is fairly well matched but the A550 (APS-C) and T90 (1/2.3") use totally different sensor dimensions.

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The A550 was announced 10 months later than the T90 which means that they are both of a similar generation. Both cameras come with different body type with the Sony A550 being a Compact SLR camera and the Sony T90 being a Ultracompact camera.

Before we go through a in-depth comparison, below is a quick introduction of how the A550 scores versus the T90 when considering portability, imaging, features and an overall rating.

Here is a sample of the gallery pictures for Sony Alpha DSLR-A550 and Sony Cyber-shot DSC-T90. The whole galleries are available at Sony A550 Gallery and Sony T90 Gallery.

If you are looking to carry your camera, you'll need to take into account its weight and dimensions. The Sony A550 offers physical dimensions of 137mm x 104mm x 84mm (5.4" x 4.1" x 3.3") along with a weight of 632 grams (1.39 lbs) and the Sony T90 has dimensions of 94mm x 57mm x 15mm (3.7" x 2.2" x 0.6") accompanied by a weight of 148 grams (0.33 lbs).

Examine the Sony A550 versus Sony T90 in the new Camera with Lens Size Comparison Tool.

Remember that, the weight of an Interchangeable Lens Camera will change depending on the lens you have chosen at that moment. Following is the front view physical size comparison of the A550 against the T90.

Considering dimensions and weight, the portability rating of the A550 and T90 is 63 and 96 respectively.

Typically, its tough to see the gap between sensor sizing simply by reading through specs. The visual below may offer you a better sense of the sensor dimensions in the A550 and T90.

All in all, both the cameras posses different megapixels and different sensor sizing. The A550 having a larger sensor will make shooting bokeh less difficult and the Sony A550 will give greater detail with its extra 2MP. Greater resolution will also enable you to crop photos somewhat more aggressively. The more recent A550 will have an edge with regard to sensor innovation.