Sigma SD1 vs Sony RX100 III

Here is a in-depth analysis of the Sigma SD1 versus Sony RX100 III, one being a Advanced DSLR and the other is a Large Sensor Compact by rivals Sigma and Sony. There is a crucial difference between the image resolutions of the SD1 (15MP) and RX100 III (20MP) and the SD1 (APS-C) and RX100 III (1") provide totally different sensor sizes.

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The SD1 was manufactured 4 years before the RX100 III and that is quite a serious gap as far as tech is concerned. Both the cameras have different body design with the Sigma SD1 being a Mid-size SLR camera and the Sony RX100 III being a Large Sensor Compact camera.

Before delving right into a full comparison, here is a simple view of how the SD1 matches up versus the RX100 III in the way of portability, imaging, features and an overall rating.

This is a sample of the gallery pics for Sigma SD1 and Sony Cyber-shot DSC-RX100 III. The entire galleries are provided at Sigma SD1 Gallery and Sony RX100 III Gallery.

If you're looking to carry your camera, you need to factor its weight and proportions. The Sigma SD1 has physical measurements of 146mm x 113mm x 80mm (5.7" x 4.4" x 3.1") having a weight of n/a grams (0.00 lbs) and the Sony RX100 III has measurements of 102mm x 58mm x 41mm (4.0" x 2.3" x 1.6") along with a weight of 290 grams (0.64 lbs).

Look at the Sigma SD1 versus Sony RX100 III in the new Camera and Lens Size Comparison Tool.

Remember that, the weight of an Interchangeable Lens Camera will differ dependant on the lens you are working with at the time. Below is a front view physical size comparison of the SD1 vs the RX100 III.

Taking into account size and weight, the portability rating of the SD1 and RX100 III is 77 and 89 respectively.

Usually, it's tough to envision the gap between sensor sizing only by reviewing specs. The graphic below might give you a more clear sense of the sensor measurements in the SD1 and RX100 III.

As you can plainly see, each of these cameras provide different megapixel count and different sensor sizing. The SD1 featuring a larger sensor will make getting shallower depth of field less difficult and the Sony RX100 III will offer you extra detail due to its extra 5MP. Greater resolution can also make it easier to crop pics more aggressively. The older SD1 is going to be disadvantaged in sensor technology.