Sony A580 vs Sony A900

Let's look a little more closely at the Sony A580 and Sony A900, former is a Entry-Level DSLR while the other is a Advanced DSLR and both are built by Sony. There is a noticeable difference between the resolutions of the A580 (16MP) and A900 (25MP) and the A580 (APS-C) and A900 (Full frame) use totally different sensor dimensions.

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The A580 was announced 2 years after the A900 which is quite a sizable difference as far as tech is concerned. Both the cameras come with different body type with the Sony A580 being a Compact SLR camera and the Sony A900 being a Mid-size SLR camera.

Before we go in to a comprehensive comparison, below is a simple synopsis of how the A580 scores against the A900 with regards to portability, imaging, features and an overall score.

Below is a sample of the gallery pics for Sony Alpha DSLR-A580 & Sony Alpha DSLR-A900. The whole galleries are provided at Sony A580 Gallery & Sony A900 Gallery.

If you're looking to carry around your camera, you will want to factor its weight and volume. The Sony A580 enjoys outer dimensions of 137mm x 104mm x 84mm (5.4" x 4.1" x 3.3") accompanied by a weight of 599 grams (1.32 lbs) whilst the Sony A900 has sizing of 156mm x 117mm x 82mm (6.1" x 4.6" x 3.2") and a weight of 895 grams (1.97 lbs).

Take a look at the Sony A580 and Sony A900 in our completely new Camera plus Lens Size Comparison Tool.

Do not forget, the weight of an ILC will vary depending on the lens you have chosen at that time. The following is the front view proportions comparison of the A580 vs the A900.

Using size and weight, the portability score of the A580 and A900 is 64 and 54 respectively.

Often, its hard to visualise the gap between sensor sizes just by looking at technical specs. The image below may give you a more clear sense of the sensor dimensions in the A580 and A900.

As you have seen, each of the cameras have got different resolutions and different sensor sizes. The A580 using its tinier sensor will make getting shallower DOF trickier and the Sony A900 will give extra detail with its extra 9MP. Greater resolution will also allow you to crop pics much more aggressively. The newer A580 is going to have an edge with regard to sensor technology.