Nikon D3100 vs Sony A580

Lets look a bit more closely at the Nikon D3100 versus Sony A580, both Entry-Level DSLR digital cameras by competitors Nikon and Sony. The resolution of the D3100 (14MP) and the A580 (16MP) is relatively well matched and both cameras boast the identical sensor measurements (APS-C).

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The D3100 was introduced 5 months before the A580 so they are both of a similar generation. Both cameras feature the same body design (Compact SLR).

Before diving straight to a more detailed comparison, here is a brief summary of how the D3100 scores vs the A580 with regards to portability, imaging, features and an overall rating.

Below is a preview of the gallery photos for Nikon D3100 and Sony Alpha DSLR-A580. The whole galleries are provided at Nikon D3100 Gallery and Sony A580 Gallery.

In case you're planning to carry your camera, you're going to have to factor in its weight and dimensions. The Nikon D3100 provides exterior measurements of 124mm x 96mm x 75mm (4.9" x 3.8" x 3.0") having a weight of 505 grams (1.11 lbs) while the Sony A580 has dimensions of 137mm x 104mm x 84mm (5.4" x 4.1" x 3.3") having a weight of 599 grams (1.32 lbs).

Analyze the Nikon D3100 versus Sony A580 in the latest Camera and Lens Size Comparison Tool.

Don't forget, the weight of an Interchangeable Lens Camera will differ dependant on the lens you are working with at that time. Here is a front view dimension comparison of the D3100 vs the A580.

Looking at dimensions and weight, the portability rating of the D3100 and A580 is 68 and 64 respectively.

More often than not, it can be hard to imagine the difference between sensor sizing simply by reading through a spec sheet. The photograph underneath will help provide you a far better sense of the sensor sizing in the D3100 and A580.

Clearly, both cameras come with the identical sensor size albeit different megapixels. You should count on the Sony A580 to resolve greater detail using its extra 2 Megapixels. Higher resolution will enable you to crop shots a good deal more aggressively.