Canon A3100 IS vs Canon D20

Let's look a little more closely at the Canon A3100 IS vs Canon D20, former is a Small Sensor Compact while the other is a Waterproof and both of them are offered by Canon. The sensor resolution of the A3100 IS (12MP) and the D20 (12MP) is fairly similar and both cameras offer the same sensor dimensions (1/2.3").

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The A3100 IS was released 4 years before the D20 which is quite a big difference as far as technology is concerned. Each of the cameras have the same body design (Compact).

Before diving right into a in-depth comparison, here is a brief highlight of how the A3100 IS scores against the D20 with regard to portability, imaging, features and an overall score.

Here is a sample of the gallery pictures for Canon PowerShot A3100 IS & Canon PowerShot D20. The complete galleries are provided at Canon A3100 IS Gallery & Canon D20 Gallery.

When you are going to carry around your camera regularly, you will need to factor in its weight and measurements. The Canon A3100 IS provides outer measurements of 97mm x 58mm x 28mm (3.8" x 2.3" x 1.1") accompanied by a weight of 165 grams (0.36 lbs) whilst the Canon D20 has proportions of 112mm x 71mm x 28mm (4.4" x 2.8" x 1.1") having a weight of 228 grams (0.50 lbs).

See the Canon A3100 IS vs Canon D20 in our brand new Camera plus Lens Size Comparison Tool.

Always remember, the weight of an ILC will differ depending on the lens you are working with at the time. Following is a front view scale comparison of the A3100 IS compared to the D20.

Using dimensions and weight, the portability rating of the A3100 IS and D20 is 94 and 91 respectively.

Quite often, its tough to envision the gap between sensor sizes simply by going over a spec sheet. The image here may offer you a much better sense of the sensor measurements in the A3100 IS and D20.

As you can see, the two cameras have the same sensor dimensions and the same megapixels so you can expect similar quality of images though you have to take the age of the products into consideration. The more aged A3100 IS is going to be behind when it comes to sensor technology.