Sigma DP2 Quattro vs Sony A450

Below is a extensive comparison of the Sigma DP2 Quattro and Sony A450, one being a Large Sensor Compact and the other is a Entry-Level DSLR by brands Sigma and Sony. There exists a big gap among the sensor resolutions of the DP2 Quattro (20MP) and A450 (14MP) but both cameras have the same sensor sizing (APS-C).

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The DP2 Quattro was unveiled 4 years later than the A450 and that is a fairly big gap as far as camera technology is concerned. Each of these cameras have different body design with the Sigma DP2 Quattro being a Large Sensor Compact camera and the Sony A450 being a Compact SLR camera.

Before going straight to a in depth comparison, here is a short overview of how the DP2 Quattro matches up against the A450 when it comes to portability, imaging, features and an overall grade.

This is a sample of the gallery pictures for Sigma DP2 Quattro and Sony Alpha DSLR-A450. The full galleries are available at Sigma DP2 Quattro Gallery and Sony A450 Gallery.

For those who are going to lug around your camera often, you will want to factor its weight and dimensions. The Sigma DP2 Quattro provides exterior measurements of 161mm x 67mm x 82mm (6.3" x 2.6" x 3.2") and a weight of 395 grams (0.87 lbs) and the Sony A450 has dimensions of 137mm x 104mm x 81mm (5.4" x 4.1" x 3.2") having a weight of 560 grams (1.23 lbs).

See the Sigma DP2 Quattro and Sony A450 in the latest Camera and Lens Size Comparison Tool.

Don't forget, the weight of an Interchangeable Lens Camera will vary depending on the lens you have attached at that moment. Underneath is a front view dimension comparison of the DP2 Quattro versus the A450.

Factoring in dimensions and weight, the portability rating of the DP2 Quattro and A450 is 70 and 65 respectively.

Normally, its difficult to imagine the difference in sensor measurements only by researching a spec sheet. The graphic below should offer you a stronger sense of the sensor sizing in the DP2 Quattro and A450.

As you can see, both of these cameras provide the same sensor dimensions but different megapixels. You should anticipate the Sigma DP2 Quattro to provide you with more detail having an extra 6MP. Greater resolution will also allow you to crop pics more aggressively. The more modern DP2 Quattro should have an advantage in sensor tech.