Sony A100 vs Sony RX100

Below, we are reviewing the Sony A100 and Sony RX100, former is a Entry-Level DSLR while the other is a Large Sensor Compact and they are both built by Sony. There exists a sizable gap among the sensor resolutions of the A100 (10MP) and RX100 (20MP) and the A100 (APS-C) and RX100 (1") possess different sensor measurements.

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The A100 was manufactured 7 years prior to the RX100 which is a fairly significant difference as far as camera technology is concerned. Both of these cameras come with different body type with the Sony A100 being a Compact SLR camera and the Sony RX100 being a Large Sensor Compact camera.

Before delving in to a more detailed comparison, below is a quick overview of how the A100 matches up against the RX100 with regard to portability, imaging, features and an overall score.

Here is a sample of the gallery pics for Sony Alpha DSLR-A100 & Sony Cyber-shot DSC-RX100. The entire galleries are viewable at Sony A100 Gallery & Sony RX100 Gallery.

When you are going to carry around your camera often, you're going to have to factor its weight and size. The Sony A100 comes with external 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) and the Sony RX100 has specifications of 102mm x 58mm x 36mm (4.0" x 2.3" x 1.4") along with a weight of 240 grams (0.53 lbs).

Contrast the Sony A100 and Sony RX100 in our newest Camera plus Lens Size Comparison Tool.

Do not forget, the weight of an ILC will change dependant on the lens you have attached at the time. Here is the front view scale comparison of the A100 compared to the RX100.

Taking into account dimensions and weight, the portability grade of the A100 and RX100 is 64 and 91 respectively.

Normally, it's difficult to visualize the difference in sensor sizes simply by researching specifications. The picture here may give you a far better sense of the sensor sizing in the A100 and RX100.

To sum up, the two cameras posses different megapixel count and different sensor sizes. The A100 because of its larger sensor is going to make shooting shallow depth of field easier and the Sony RX100 will provide you with extra detail due to its extra 10MP. Greater resolution can also make it easier to crop pics somewhat more aggressively. The more aged A100 will be disadvantaged with regard to sensor technology.