Sigma SD10 vs Sony A33

Following is a in depth comparison of the Sigma SD10 versus Sony A33, one is a Advanced DSLR and the other is a Entry-Level DSLR by manufacturers Sigma and Sony. There is a huge difference between the sensor resolutions of the SD10 (3MP) and A33 (14MP) but they use the same exact sensor dimensions (APS-C).

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The SD10 was revealed 7 years earlier than the A33 which is quite a significant gap as far as tech is concerned. Both of the cameras offer different body type with the Sigma SD10 being a Mid-size SLR camera and the Sony A33 being a Compact SLR camera.

Before going through a more detailed comparison, below is a simple introduction of how the SD10 scores versus the A33 in terms of portability, imaging, features and an overall score.

Following is a sample of the gallery pics for Sigma SD10 and Sony SLT-A33. The full galleries are provided at Sigma SD10 Gallery and Sony A33 Gallery.

In case you're looking to carry around your camera regularly, you'll have to factor in its weight and volume. The Sigma SD10 enjoys outside measurements of 152mm x 120mm x 79mm (6.0" x 4.7" x 3.1") accompanied by a weight of 950 grams (2.09 lbs) while the Sony A33 has sizing 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 Sigma SD10 versus Sony A33 in the all new Camera with Lens Size Comparison Tool.

Take into account, the weight of an Interchangeable Lens Camera will differ based on the lens you have during that time. Following is the front view over all size comparison of the SD10 and the A33.

Factoring in size and weight, the portability score of the SD10 and A33 is 54 and 67 respectively.

Usually, it can be hard to visualise the gap between sensor sizes merely by reading through specifications. The pic here will help give you a more clear sense of the sensor sizing in the SD10 and A33.

To sum up, both the cameras enjoy the same exact sensor sizing but not the same megapixels. You should expect to see the Sony A33 to give extra detail because of its extra 11MP. Greater resolution will let you crop images far more aggressively. The more aged SD10 is going to be disadvantaged when it comes to sensor innovation.