Canon SX270 HS vs Sigma SD15

Below is a detailed comparison of the Canon SX270 HS and Sigma SD15, one being a Small Sensor Superzoom and the other is a Advanced DSLR by competitors Canon and Sigma. There is a sizeable difference among the sensor resolutions of the SX270 HS (12MP) and SD15 (5MP) and the SX270 HS (1/2.3") and SD15 (APS-C) posses different sensor sizing.

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The SX270 HS was revealed 3 years later than the SD15 and that is a fairly large gap as far as camera tech is concerned. Both the cameras feature different body design with the Canon SX270 HS being a Compact camera and the Sigma SD15 being a Mid-size SLR camera.

Before getting right into a step-by-step comparison, here is a simple summary of how the SX270 HS scores versus the SD15 with respect to portability, imaging, features and an overall grade.

Here is a sample of the gallery pictures for Canon PowerShot SX270 HS and Sigma SD15. The full galleries are viewable at Canon SX270 HS Gallery and Sigma SD15 Gallery.

For anyone who is planning to lug around your camera, you'll need to think about its weight and proportions. The Canon SX270 HS features outer measurements of 106mm x 63mm x 33mm (4.2" x 2.5" x 1.3") with a weight of 233 grams (0.51 lbs) while the Sigma SD15 has measurements of 144mm x 107mm x 81mm (5.7" x 4.2" x 3.2") with a weight of 750 grams (1.65 lbs).

Check out the Canon SX270 HS and Sigma SD15 in the latest Camera with Lens Size Comparison Tool.

Bear in mind, the weight of an Interchangeable Lens Camera will change depending on the lens you choose during that time. Below is a front view dimension comparison of the SX270 HS compared to the SD15.

Looking at size and weight, the portability rating of the SX270 HS and SD15 is 91 and 59 respectively.

In many cases, it's hard to imagine the difference in sensor measurements only by looking through specifications. The graphic below will help give you a clearer sense of the sensor sizing in the SX270 HS and SD15.

To sum up, the two cameras come with different resolutions and different sensor measurements. The SX270 HS having a smaller sensor is going to make achieving shallow depth of field more challenging and the Canon SX270 HS will render extra detail because of its extra 7 Megapixels. Greater resolution will help you crop pics a good deal more aggressively. The younger SX270 HS provides an edge when it comes to sensor technology.