Nikon D3100 vs Sony A33

Below is a thorough overview of the Nikon D3100 vs Sony A33, both Entry-Level DSLR cameras by manufacturers Nikon and Sony. The sensor resolution of the D3100 (14MP) and the A33 (14MP) is relatively comparable and they enjoy the exact same sensor sizing (APS-C).

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The D3100 was announced 4 months later than the A33 so they are both of a similar generation. Both cameras come with the identical body type (Compact SLR).

Before we go through a in-depth comparison, below is a quick introduction of how the D3100 grades versus the A33 in terms of portability, imaging, features and an overall grade.

Below is a preview of the gallery photos for Nikon D3100 and Sony SLT-A33. The whole galleries are viewable at Nikon D3100 Gallery and Sony A33 Gallery.

For anyone who is aiming to lug around your camera, you're going to have to take into account its weight and volume. The Nikon D3100 has outside dimensions of 124mm x 96mm x 75mm (4.9" x 3.8" x 3.0") with a weight of 505 grams (1.11 lbs) whilst the Sony A33 has sizing of 124mm x 92mm x 85mm (4.9" x 3.6" x 3.3") accompanied by a weight of 500 grams (1.10 lbs).

Check out the Nikon D3100 vs Sony A33 in the latest Camera and Lens Size Comparison Tool.

Do not forget, the weight of an Interchangeable Lens Camera will vary depending on the lens you are utilising during that time. Below is the front view sizing comparison of the D3100 compared to the A33.

Taking into account size and weight, the portability rating of the D3100 and A33 is 68 and 67 respectively.

Usually, it can be hard to envision the contrast in sensor measurements only by going through specs. The photograph here may give you a more clear sense of the sensor sizes in the D3100 and A33.

As you can plainly see, each of the cameras have got the exact same sensor measurements and the exact same resolution so you should expect comparable quality of photographs but you should always factor the production date of the cameras into account.