Sony G3 vs Sony A55

The following is a in-depth review of the Sony G3 versus Sony A55, former is a Small Sensor Compact while the latter is a Entry-Level DSLR and they are both created by Sony. There exists a substantial gap among the image resolutions of the G3 (10MP) and A55 (16MP) and the G3 (1/2.3") and A55 (APS-C) have totally different sensor sizes.

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The G3 was released 19 months earlier than the A55 which makes them a generation away from one another. Both of these cameras have different body design with the Sony G3 being a Compact camera and the Sony A55 being a Compact SLR camera.

Before getting straight to a in-depth comparison, here is a concise view of how the G3 matches up vs the A55 for portability, imaging, features and an overall mark.

The following is a preview of the gallery images for Sony Cyber-shot DSC-G3 & Sony SLT-A55. The complete galleries are available at Sony G3 Gallery & Sony A55 Gallery.

In case you're planning to travel with your camera regularly, you should factor in its weight and measurements. The Sony G3 has got outside measurements of 97mm x 59mm x 22mm (3.8" x 2.3" x 0.9") accompanied by a weight of 185 grams (0.41 lbs) and the Sony A55 has proportions of 124mm x 92mm x 85mm (4.9" x 3.6" x 3.3") and a weight of 500 grams (1.10 lbs).

Contrast the Sony G3 versus Sony A55 in our completely new Camera plus Lens Size Comparison Tool.

Take into account, the weight of an ILC will change dependant on the lens you choose at the time. Below is a front view proportions comparison of the G3 and the A55.

Using dimensions and weight, the portability score of the G3 and A55 is 94 and 67 respectively.

Normally, it is difficult to visualise the gap in sensor dimensions purely by viewing specs. The image underneath should provide you a much better sense of the sensor sizing in the G3 and A55.

As you can plainly see, the 2 cameras have different megapixel count and different sensor dimensions. The G3 featuring a smaller sensor will make shooting shallower depth of field more difficult and the Sony A55 will provide you with extra detail as a result of its extra 6 Megapixels. Higher resolution will let you crop pictures a bit more aggressively. The more aged G3 will be disadvantaged in sensor technology.