Sony T900 vs Sony A55

Here, we are comparing the Sony T900 and Sony A55, former being a Ultracompact while the other is a Entry-Level DSLR and both are sold by Sony. There is a noticeable difference among the sensor resolutions of the T900 (12MP) and A55 (16MP) and the T900 (1/2.3") and A55 (APS-C) boast different sensor sizes.

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The T900 was revealed 18 months earlier than the A55 making them a generation apart from each other. Each of these cameras feature different body design with the Sony T900 being a Ultracompact camera and the Sony A55 being a Compact SLR camera.

Before we go right into a full comparison, here is a short synopsis of how the T900 scores versus the A55 when considering portability, imaging, features and an overall grade.

The following is a sample of the gallery pictures for Sony Cyber-shot DSC-T900 & Sony SLT-A55. The full galleries are available at Sony T900 Gallery & Sony A55 Gallery.

For anybody who is looking to lug around your camera regularly, you should factor its weight and dimensions. The Sony T900 provides physical measurements of 98mm x 58mm x 16mm (3.9" x 2.3" x 0.6") having a weight of 143 grams (0.32 lbs) while the Sony A55 has dimensions of 124mm x 92mm x 85mm (4.9" x 3.6" x 3.3") along with a weight of 500 grams (1.10 lbs).

Check the Sony T900 and Sony A55 in our completely new Camera & Lens Size Comparison Tool.

Keep in mind, the weight of an ILC will vary dependant on the lens you are utilising at the time. Underneath is a front view physical size comparison of the T900 vs the A55.

Taking into account size and weight, the portability score of the T900 and A55 is 96 and 67 respectively.

Oftentimes, it is tough to imagine the gap in sensor measurements merely by researching technical specs. The visual underneath will provide you a far better sense of the sensor sizing in the T900 and A55.

As you can tell, both the cameras feature different megapixel count and different sensor measurements. The T900 with its smaller sensor is going to make getting shallower DOF more difficult and the Sony A55 will render more detail because of its extra 4MP. Greater resolution will allow you to crop photos way more aggressively. The older T900 will be disadvantaged with regard to sensor technology.