Sony TX7 vs Sony A57

Its time to look closer at the Sony TX7 versus Sony A57, one being a Ultracompact and the latter is a Entry-Level DSLR and they are both sold by Sony. There exists a sizeable gap between the sensor resolutions of the TX7 (10MP) and A57 (16MP) and the TX7 (1/2.4") and A57 (APS-C) offer different sensor size.

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The TX7 was introduced 3 years earlier than the A57 and that is quite a large gap as far as technology is concerned. Both of the cameras have different body design with the Sony TX7 being a Ultracompact camera and the Sony A57 being a Compact SLR camera.

Before getting straight to a more detailed comparison, here is a brief synopsis of how the TX7 scores against the A57 in relation to portability, imaging, features and an overall grade.

This is a preview of the gallery images for Sony Cyber-shot DSC-TX7 and Sony SLT-A57. The whole galleries are provided at Sony TX7 Gallery and Sony A57 Gallery.

For those who are intending to lug around your camera, you are going to need to think about its weight and measurements. The Sony TX7 features exterior dimensions of 98mm x 60mm x 18mm (3.9" x 2.4" x 0.7") with a weight of 149 grams (0.33 lbs) whilst the Sony A57 has proportions of 132mm x 98mm x 81mm (5.2" x 3.9" x 3.2") and a weight of 618 grams (1.36 lbs).

Examine the Sony TX7 versus Sony A57 in the latest Camera with Lens Size Comparison Tool.

Remember, the weight of an Interchangeable Lens Camera will change depending on the lens you choose at that time. Underneath is a front view overall size comparison of the TX7 and the A57.

Taking into consideration dimensions and weight, the portability grade of the TX7 and A57 is 95 and 64 respectively.

More often than not, it's tough to picture the gap between sensor measurements purely by reviewing technical specs. The visual below should provide you a better sense of the sensor dimensions in the TX7 and A57.

As you have seen, both the cameras provide different megapixels and different sensor measurements. The TX7 using its tinier sensor is going to make getting shallower depth of field harder and the Sony A57 will offer you greater detail using its extra 6 Megapixels. Higher resolution will also enable you to crop shots more aggressively. The older TX7 is going to be disadvantaged with regard to sensor innovation.