Sony A100 vs Sony TX20

Here is a in depth assessment of the Sony A100 versus Sony TX20, one being a Entry-Level DSLR and the other is a Ultracompact and they are both created by Sony. There exists a huge gap between the image resolutions of the A100 (10MP) and TX20 (16MP) and the A100 (APS-C) and TX20 (1/2.3") boast totally different sensor size.

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The A100 was revealed 6 years earlier than the TX20 and that is quite a significant gap as far as technology is concerned. Each of the cameras feature different body design with the Sony A100 being a Compact SLR camera and the Sony TX20 being a Ultracompact camera.

Before getting straight to a in-depth comparison, here is a concise summary of how the A100 scores versus the TX20 for portability, imaging, features and an overall rating.

Below is a sample of the gallery pics for Sony Alpha DSLR-A100 and Sony Cyber-shot DSC-TX20. The full galleries are viewable at Sony A100 Gallery and Sony TX20 Gallery.

If you're intending to carry your camera frequently, you need to factor in its weight and proportions. The Sony A100 provides physical measurements of 133mm x 95mm x 71mm (5.2" x 3.7" x 2.8") accompanied by a weight of 638 grams (1.41 lbs) while the Sony TX20 has measurements of 96mm x 56mm x 18mm (3.8" x 2.2" x 0.7") with a weight of 133 grams (0.29 lbs).

See the Sony A100 versus Sony TX20 in the latest Camera and Lens Size Comparison Tool.

Take into account, the weight of an Interchangeable Lens Camera will differ dependant on the lens you are using at that moment. Here is a front view size comparison of the A100 compared to the TX20.

Considering dimensions and weight, the portability rating of the A100 and TX20 is 64 and 96 respectively.

Typically, it can be tough to see the contrast between sensor sizing just by looking at a spec sheet. The photograph below will offer you a better sense of the sensor measurements in the A100 and TX20.

Clearly, both cameras feature different megapixels and different sensor sizing. The A100 with its larger sensor will make shooting shallow depth of field simpler and the Sony TX20 will give extra detail because of its extra 6 Megapixels. Greater resolution can also allow you to crop photos way more aggressively. The older A100 is going to be disadvantaged with regard to sensor technology.