Sigma SD15 vs Sony RX10 III

In this article, we will be evaluating the Sigma SD15 versus Sony RX10 III, former being a Advanced DSLR while the latter is a Large Sensor Superzoom by companies Sigma and Sony. There is a sizable difference among the resolutions of the SD15 (5MP) and RX10 III (20MP) and the SD15 (APS-C) and RX10 III (1") feature totally different sensor size.

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The SD15 was brought out 7 years before the RX10 III and that is a fairly significant difference as far as camera tech is concerned. Each of these cameras offer different body type with the Sigma SD15 being a Mid-size SLR camera and the Sony RX10 III being a SLR-like (bridge) camera.

Before getting straight into a complete comparison, below is a short synopsis of how the SD15 grades against the RX10 III when considering portability, imaging, features and an overall rating.

Here is a preview of the gallery photos for Sigma SD15 & Sony Cyber-shot DSC-RX10 III. The entire galleries are provided at Sigma SD15 Gallery & Sony RX10 III Gallery.

If you are intending to carry your camera regularly, you are going to need to factor in its weight and measurements. The Sigma SD15 has physical measurements of 144mm x 107mm x 81mm (5.7" x 4.2" x 3.2") accompanied by a weight of 750 grams (1.65 lbs) while the Sony RX10 III has proportions of 133mm x 94mm x 127mm (5.2" x 3.7" x 5.0") along with a weight of 1051 grams (2.32 lbs).

Examine the Sigma SD15 versus Sony RX10 III in our newest Camera plus Lens Size Comparison Tool.

Take into consideration, the weight of an ILC will vary depending on the lens you select at that moment. Below is the front view scale comparison of the SD15 against the RX10 III.

Factoring in size and weight, the portability grade of the SD15 and RX10 III is 59 and 53 respectively.

In many cases, it can be hard to envision the gap in sensor sizing just by researching specs. The graphic underneath will provide you a more clear sense of the sensor sizing in the SD15 and RX10 III.

All in all, the two cameras offer different megapixel count and different sensor sizing. The SD15 featuring a bigger sensor will make shooting bokeh simpler and the Sony RX10 III will result in more detail having its extra 15MP. Higher resolution will also let you crop shots a little more aggressively. The older SD15 will be disadvantaged with regard to sensor innovation.