Sony A550 vs Sony TX55

Let's take a deeper look at the Sony A550 and Sony TX55, former is a Entry-Level DSLR while the other is a Ultracompact and they are both designed by Sony. The image resolution of the A550 (14MP) and the TX55 (16MP) is fairly close but the A550 (APS-C) and TX55 (1/2.3") provide totally different sensor sizing.

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The A550 was unveiled 19 months prior to the TX55 making them a generation away from each other. Both the cameras feature different body design with the Sony A550 being a Compact SLR camera and the Sony TX55 being a Ultracompact camera.

Before delving straight to a more detailed comparison, here is a quick summation of how the A550 grades against the TX55 in relation to portability, imaging, features and an overall score.

Following is a sample of the gallery pictures for Sony Alpha DSLR-A550 & Sony Cyber-shot DSC-TX55. The full galleries are viewable at Sony A550 Gallery & Sony TX55 Gallery.

If you are aiming to carry around your camera, you will need to factor in its weight and volume. The Sony A550 provides external measurements of 137mm x 104mm x 84mm (5.4" x 4.1" x 3.3") having a weight of 632 grams (1.39 lbs) whilst the Sony TX55 has sizing of 93mm x 54mm x 13mm (3.7" x 2.1" x 0.5") having a weight of 109 grams (0.24 lbs).

Compare the Sony A550 and Sony TX55 in our newest Camera plus Lens Size Comparison Tool.

Don't forget, the weight of an ILC will vary dependant on the lens you select at that time. The following is a front view dimension comparison of the A550 against the TX55.

Considering size and weight, the portability rating of the A550 and TX55 is 63 and 97 respectively.

Usually, it's tough to see the contrast in sensor sizes purely by researching technical specs. The picture below may provide you a far better sense of the sensor sizing in the A550 and TX55.

As you can tell, the two cameras come with different resolutions and different sensor sizes. The A550 having a larger sensor will make getting shallow DOF less difficult and the Sony TX55 will provide you with greater detail having an extra 2MP. Greater resolution will also make it easier to crop photos a good deal more aggressively. The more aged A550 will be behind with regard to sensor technology.