Canon 400D vs Sony A550

Below is a detailed review of the Canon 400D versus Sony A550, both Entry-Level DSLR digital cameras by companies Canon and Sony. There exists a sizable gap between the sensor resolutions of the 400D (10MP) and A550 (14MP) but both cameras boast the identical sensor measurements (APS-C).

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The 400D was announced 4 years before the A550 and that is quite a significant difference as far as technology is concerned. Both of these cameras feature the same body design (Compact SLR).

Before diving into a comprehensive comparison, here is a short summary of how the 400D grades versus the A550 in relation to portability, imaging, features and an overall grade.

Here is a preview of the gallery images for Canon EOS 400D & Sony Alpha DSLR-A550. The whole galleries are viewable at Canon 400D Gallery & Sony A550 Gallery.

In case you're planning to lug around your camera, you will want to factor in its weight and dimensions. The Canon 400D provides exterior measurements of 127mm x 94mm x 65mm (5.0" x 3.7" x 2.6") accompanied by a weight of 556 grams (1.23 lbs) whilst the Sony A550 has dimensions of 137mm x 104mm x 84mm (5.4" x 4.1" x 3.3") and a weight of 632 grams (1.39 lbs).

Examine the Canon 400D versus Sony A550 in our completely new Camera plus Lens Size Comparison Tool.

Bear in mind, the weight of an ILC will differ depending on the lens you use at that time. The following is a front view size comparison of the 400D vs the A550.

Taking into consideration dimensions and weight, the portability grade of the 400D and A550 is 69 and 63 respectively.

Sometimes, it's difficult to picture the gap between sensor measurements just by reviewing technical specs. The graphic underneath will help give you a clearer sense of the sensor measurements in the 400D and A550.

As you have seen, each of these cameras feature the identical sensor size albeit different resolution. You can expect the Sony A550 to deliver greater detail with its extra 4MP. Higher resolution will also enable you to crop pictures way more aggressively. The older 400D is going to be behind in sensor tech.