Sigma SD15 vs Sony W830

Lets look a bit more in depth at the Sigma SD15 versus Sony W830, former being a Advanced DSLR while the latter is a Ultracompact by rivals Sigma and Sony. There is a large difference among the image resolutions of the SD15 (5MP) and W830 (20MP) and the SD15 (APS-C) and W830 (1/2.3") use different sensor dimensions.

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The SD15 was released 4 years prior to the W830 and that is a fairly serious difference as far as camera tech is concerned. Both of the cameras come with different body type with the Sigma SD15 being a Mid-size SLR camera and the Sony W830 being a Ultracompact camera.

Before going straight into a complete comparison, below is a short view of how the SD15 scores vs the W830 in terms of portability, imaging, features and an overall rating.

This is a preview of the gallery images for Sigma SD15 & Sony Cyber-shot DSC-W830. The complete galleries are provided at Sigma SD15 Gallery & Sony W830 Gallery.

For anyone who is looking to carry your camera often, you're going to have to factor its weight and dimensions. The Sigma SD15 has got outer dimensions of 144mm x 107mm x 81mm (5.7" x 4.2" x 3.2") having a weight of 750 grams (1.65 lbs) whilst the Sony W830 has dimensions of 93mm x 52mm x 23mm (3.7" x 2.0" x 0.9") with a weight of 122 grams (0.27 lbs).

See the Sigma SD15 versus Sony W830 in our completely new Camera plus Lens Size Comparison Tool.

Keep in mind, the weight of an ILC will change based on the lens you are working with during that time. Below is the front view proportions comparison of the SD15 against the W830.

Taking into consideration size and weight, the portability grade of the SD15 and W830 is 59 and 96 respectively.

In many cases, it's hard to imagine the contrast in sensor sizing purely by researching technical specs. The graphic below should give you a much better sense of the sensor sizes in the SD15 and W830.

As you can tell, each of the cameras posses different megapixel count and different sensor sizing. The SD15 featuring a bigger sensor is going to make getting shallow depth of field less difficult and the Sony W830 will provide you with extra detail as a result of its extra 15 Megapixels. Higher resolution will also allow you to crop pictures somewhat more aggressively. The older SD15 will be disadvantaged when it comes to sensor innovation.