Nikon D5100 vs Sony A330

Below is a in depth review of the Nikon D5100 vs Sony A330, both Entry-Level DSLR digital cameras by rivals Nikon and Sony. There is a crucial difference between the image resolutions of the D5100 (16MP) and A330 (10MP) but both cameras have the same sensor sizing (APS-C).

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The D5100 was revealed 24 months later than the A330 making them a generation apart from each other. Both of the cameras have the same body design (Compact SLR).

Before going into a complete comparison, here is a simple synopsis of how the D5100 matches up versus the A330 with regard to portability, imaging, features and an overall grade.

Below is a sample of the gallery pics for Nikon D5100 and Sony Alpha DSLR-A330. The full galleries are available at Nikon D5100 Gallery and Sony A330 Gallery.

For anyone who is going to lug around your camera, you'll have to factor in its weight and proportions. The Nikon D5100 offers physical measurements of 128mm x 97mm x 79mm (5.0" x 3.8" x 3.1") and a weight of 560 grams (1.23 lbs) and the Sony A330 has measurements of 128mm x 97mm x 71mm (5.0" x 3.8" x 2.8") with a weight of 529 grams (1.17 lbs).

Look at the Nikon D5100 vs Sony A330 in the latest Camera and Lens Size Comparison Tool.

Always remember, the weight of an Interchangeable Lens Camera will change based on the lens you have at that moment. Here is a front view sizing comparison of the D5100 and the A330.

Taking into account size and weight, the portability rating of the D5100 and A330 is 66 and 67 respectively.

In many cases, it can be tough to envision the contrast between sensor measurements merely by checking specs. The photograph below will help provide you a far better sense of the sensor measurements in the D5100 and A330.

All in all, both the cameras have the same sensor dimensions but not the same megapixels. You should expect to see the Nikon D5100 to resolve extra detail because of its extra 6 Megapixels. Greater resolution can also enable you to crop photos a bit more aggressively. The younger D5100 will have a benefit with regard to sensor tech.