Sony W810 vs Sony A55

Below, we are looking at the Sony W810 and Sony A55, former being a Ultracompact while the other is a Entry-Level DSLR and they are both produced by Sony. There exists a sizable gap between the resolutions of the W810 (20MP) and A55 (16MP) and the W810 (1/2.3") and A55 (APS-C) feature different sensor sizes.

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The W810 was released 3 years later than the A55 and that is quite a significant difference as far as technology is concerned. Both of these cameras come with different body type with the Sony W810 being a Ultracompact camera and the Sony A55 being a Compact SLR camera.

Before diving in to a step-by-step comparison, below is a simple summary of how the W810 grades versus the A55 with regards to portability, imaging, features and an overall grade.

This is a sample of the gallery pics for Sony Cyber-shot DSC-W810 & Sony SLT-A55. The complete galleries are viewable at Sony W810 Gallery & Sony A55 Gallery.

For anyone who is going to lug around your camera often, you will want to factor its weight and size. The Sony W810 provides external measurements of 97mm x 56mm x 21mm (3.8" x 2.2" x 0.8") having a weight of 111 grams (0.24 lbs) and the Sony A55 has specifications of 124mm x 92mm x 85mm (4.9" x 3.6" x 3.3") accompanied by a weight of 500 grams (1.10 lbs).

Check the Sony W810 and Sony A55 in our brand new Camera & Lens Size Comparison Tool.

Bear in mind, the weight of an ILC will change depending on the lens you have attached at that time. Below is the front view dimension comparison of the W810 compared to the A55.

Looking at dimensions and weight, the portability score of the W810 and A55 is 96 and 67 respectively.

Quite often, it is very difficult to visualize the gap between sensor measurements just by reading through specs. The graphic underneath may give you a far better sense of the sensor measurements in the W810 and A55.

All in all, the 2 cameras have got different megapixel count and different sensor measurements. The W810 because of its tinier sensor is going to make achieving shallow DOF more difficult and the Sony W810 will give you extra detail as a result of its extra 4 Megapixels. Greater resolution will also let you crop images much more aggressively. The newer W810 should have an edge in sensor tech.