Nikon D40X vs Sony A55

Here is a extended review of the Nikon D40X and Sony A55, both Entry-Level DSLR digital cameras by companies Nikon and Sony. There is a huge difference between the resolutions of the D40X (10MP) and A55 (16MP) but they feature the same exact sensor measurements (APS-C).

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The D40X was revealed 4 years before the A55 and that is quite a significant gap as far as tech is concerned. Each of the cameras offer the identical body type (Compact SLR).

Before delving straight into a detailed comparison, below is a simple introduction of how the D40X grades versus the A55 with regard to portability, imaging, features and an overall rating.

Here is a preview of the gallery photos for Nikon D40X and Sony SLT-A55. The full galleries are viewable at Nikon D40X Gallery and Sony A55 Gallery.

In case you're planning to carry your camera, you'll have to factor in its weight and measurements. The Nikon D40X features external dimensions of 124mm x 94mm x 64mm (4.9" x 3.7" x 2.5") along with a weight of 522 grams (1.15 lbs) whilst the Sony A55 has proportions of 124mm x 92mm x 85mm (4.9" x 3.6" x 3.3") along with a weight of 500 grams (1.10 lbs).

Compare the Nikon D40X and Sony A55 in the new Camera and Lens Size Comparison Tool.

Do not forget, the weight of an Interchangeable Lens Camera will vary based on the lens you are using at that moment. Here is the front view proportions comparison of the D40X vs the A55.

Using size and weight, the portability grade of the D40X and A55 is 71 and 67 respectively.

Oftentimes, its difficult to visualise the contrast between sensor sizing just by reviewing specs. The graphic underneath may give you a stronger sense of the sensor dimensions in the D40X and A55.

All in all, each of the cameras offer the same exact sensor sizing albeit not the same MP. You should count on the Sony A55 to deliver extra detail because of its extra 6 Megapixels. Higher resolution can also help you crop shots a little more aggressively. The older D40X is going to be behind with regard to sensor tech.