Sony A550 vs Sony TX66

Let's look a little more closely at the Sony A550 vs Sony TX66, one being a Entry-Level DSLR and the other is a Ultracompact and both of them are manufactured by Sony. There exists a significant gap between the resolutions of the A550 (14MP) and TX66 (18MP) and the A550 (APS-C) and TX66 (1/2.3") offer totally different sensor size.

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The A550 was revealed 3 years before the TX66 and that is quite a sizable gap as far as technology is concerned. The two cameras feature different body design with the Sony A550 being a Compact SLR camera and the Sony TX66 being a Ultracompact camera.

Before diving right into a in depth comparison, here is a quick introduction of how the A550 matches up versus the TX66 in the way of portability, imaging, features and an overall grade.

Here is a sample of the gallery pictures for Sony Alpha DSLR-A550 and Sony Cyber-shot DSC-TX66. The full galleries are available at Sony A550 Gallery and Sony TX66 Gallery.

For anyone who is looking to lug around your camera frequently, you will want to factor its weight and proportions. The Sony A550 comes with physical dimensions of 137mm x 104mm x 84mm (5.4" x 4.1" x 3.3") accompanied by a weight of 632 grams (1.39 lbs) and the Sony TX66 has measurements of 93mm x 54mm x 13mm (3.7" x 2.1" x 0.5") along with a weight of 109 grams (0.24 lbs).

Contrast the Sony A550 vs Sony TX66 in the latest Camera and Lens Size Comparison Tool.

Keep in mind, the weight of an Interchangeable Lens Camera will vary based on the lens you are utilizing at that moment. Below is a front view sizing comparison of the A550 against the TX66.

Using dimensions and weight, the portability rating of the A550 and TX66 is 63 and 97 respectively.

Quite often, it is difficult to see the difference between sensor measurements just by reading specs. The visual underneath might offer you a much better sense of the sensor sizes in the A550 and TX66.

All in all, both of those cameras feature different megapixels and different sensor measurements. The A550 with its larger sensor will make achieving shallower depth of field less difficult and the Sony TX66 will offer more detail because of its extra 4 Megapixels. Greater resolution will let you crop photos way more aggressively. The older A550 is going to be behind with regard to sensor tech.