Sony W830 vs Sony A57

Lets look a little more closely at the Sony W830 vs Sony A57, one is a Ultracompact and the other is a Entry-Level DSLR and they are both built by Sony. There is a sizeable difference between the sensor resolutions of the W830 (20MP) and A57 (16MP) and the W830 (1/2.3") and A57 (APS-C) enjoy different sensor size.

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The W830 was manufactured 17 months after the A57 making the cameras a generation away from each other. Both of these cameras offer different body type with the Sony W830 being a Ultracompact camera and the Sony A57 being a Compact SLR camera.

Before delving in to a full comparison, below is a simple highlight of how the W830 matches up vs the A57 when considering portability, imaging, features and an overall score.

Here is a sample of the gallery pictures for Sony Cyber-shot DSC-W830 and Sony SLT-A57. The entire galleries are provided at Sony W830 Gallery and Sony A57 Gallery.

In case you're aiming to carry around your camera, you should consider its weight and volume. The Sony W830 offers exterior dimensions of 93mm x 52mm x 23mm (3.7" x 2.0" x 0.9") along with a weight of 122 grams (0.27 lbs) and the Sony A57 has sizing of 132mm x 98mm x 81mm (5.2" x 3.9" x 3.2") accompanied by a weight of 618 grams (1.36 lbs).

Look at the Sony W830 vs Sony A57 in the all new Camera and Lens Size Comparison Tool.

Take into account, the weight of an Interchangeable Lens Camera will change dependant on the lens you have at that moment. Here is the front view sizing comparison of the W830 vs the A57.

Considering size and weight, the portability score of the W830 and A57 is 96 and 64 respectively.

Generally, its difficult to picture the difference between sensor sizes purely by reviewing technical specs. The picture below will provide you a stronger sense of the sensor dimensions in the W830 and A57.

As you have seen, each of the cameras enjoy different resolutions and different sensor sizes. The W830 because of its tinier sensor is going to make achieving shallower depth of field harder and the Sony W830 will deliver more detail due to its extra 4 Megapixels. Greater resolution will enable you to crop photos far more aggressively. The newer W830 provides an advantage with regard to sensor innovation.