Nikon D40X vs Sony A57

Below is a complete analysis of the Nikon D40X versus Sony A57, both Entry-Level DSLR digital cameras by brands Nikon and Sony. There is a substantial difference between the resolutions of the D40X (10MP) and A57 (16MP) but they feature the exact same sensor sizing (APS-C).

Photography Glossary

The D40X was introduced 6 years before the A57 and that is quite a big difference as far as tech is concerned. The two cameras come with the identical body type (Compact SLR).

Before we go in to a in-depth comparison, below is a quick introduction of how the D40X scores vs the A57 with regard to portability, imaging, features and an overall grade.

Here is a preview of the gallery photos for Nikon D40X & Sony SLT-A57. The whole galleries are viewable at Nikon D40X Gallery & Sony A57 Gallery.

When you are looking to lug around your camera frequently, you have to take into account its weight and proportions. The Nikon D40X has got outside measurements of 124mm x 94mm x 64mm (4.9" x 3.7" x 2.5") with a weight of 522 grams (1.15 lbs) while the Sony A57 has measurements of 132mm x 98mm x 81mm (5.2" x 3.9" x 3.2") with a weight of 618 grams (1.36 lbs).

Check out the Nikon D40X versus Sony A57 in our newest Camera plus Lens Size Comparison Tool.

Do not forget, the weight of an ILC will change based on the lens you are using at that moment. Following is the front view measurement comparison of the D40X against the A57.

Looking at size and weight, the portability score of the D40X and A57 is 71 and 64 respectively.

Generally, it can be difficult to imagine the gap between sensor measurements simply by reading technical specs. The visual below should give you a much better sense of the sensor sizing in the D40X and A57.

As you can tell, each of the cameras have got the exact same sensor measurements albeit different megapixels. You can count on the Sony A57 to deliver extra detail using its extra 6MP. Higher resolution will also let you crop photographs much more aggressively. The older D40X is going to be disadvantaged in sensor technology.