Sony A100 vs Sony W620

Let's look closer at the Sony A100 and Sony W620, one is a Entry-Level DSLR and the other is a Small Sensor Compact and both are sold by Sony. There is a sizeable difference between the sensor resolutions of the A100 (10MP) and W620 (14MP) and the A100 (APS-C) and W620 (1/2.3") feature totally different sensor dimensions.

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The A100 was announced 6 years earlier than the W620 which is quite a large gap as far as tech is concerned. Each of the cameras come with different body type with the Sony A100 being a Compact SLR camera and the Sony W620 being a Compact camera.

Before going straight into a detailed comparison, below is a simple summary of how the A100 grades vs the W620 with respect to portability, imaging, features and an overall mark.

Here is a sample of the gallery pictures for Sony Alpha DSLR-A100 and Sony Cyber-shot DSC-W620. The whole galleries are provided at Sony A100 Gallery and Sony W620 Gallery.

For anyone who is planning to travel with your camera frequently, you'll have to consider its weight and proportions. The Sony A100 has got physical measurements of 133mm x 95mm x 71mm (5.2" x 3.7" x 2.8") and a weight of 638 grams (1.41 lbs) whilst the Sony W620 has measurements of 98mm x 56mm x 20mm (3.9" x 2.2" x 0.8") along with a weight of 116 grams (0.26 lbs).

Contrast the Sony A100 and Sony W620 in the all new Camera with Lens Size Comparison Tool.

Do not forget, the weight of an Interchangeable Lens Camera will vary based on the lens you use during that time. Below is the front view measurements comparison of the A100 versus the W620.

Looking at size and weight, the portability rating of the A100 and W620 is 64 and 96 respectively.

Often, it is difficult to see the contrast between sensor dimensions purely by looking at a spec sheet. The pic below might offer you a clearer sense of the sensor sizing in the A100 and W620.

Clearly, the two cameras posses different megapixel count and different sensor dimensions. The A100 having a larger sensor will make getting shallow depth of field less difficult and the Sony W620 will resolve greater detail with its extra 4MP. Greater resolution can also allow you to crop photos somewhat more aggressively. The more aged A100 is going to be behind with regard to sensor tech.