Sigma SD15 vs Sony RX1R

Below is a thorough comparison of the Sigma SD15 vs Sony RX1R, former being a Advanced DSLR while the other is a Large Sensor Compact by rivals Sigma and Sony. There is a noticeable difference among the resolutions of the SD15 (5MP) and RX1R (24MP) and the SD15 (APS-C) and RX1R (Full frame) provide totally different sensor sizes.

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The SD15 was revealed 4 years before the RX1R and that is a fairly sizable difference as far as camera tech is concerned. Both cameras feature different body design with the Sigma SD15 being a Mid-size SLR camera and the Sony RX1R being a Large Sensor Compact camera.

Before going straight to a step-by-step comparison, here is a concise summary of how the SD15 scores against the RX1R with respect to portability, imaging, features and an overall grade.

Following is a sample of the gallery pics for Sigma SD15 & Sony Cyber-shot DSC-RX1R. The full galleries are provided at Sigma SD15 Gallery & Sony RX1R Gallery.

In case you're planning to lug around your camera, you will want to factor in its weight and dimensions. The Sigma SD15 offers external measurements of 144mm x 107mm x 81mm (5.7" x 4.2" x 3.2") along with a weight of 750 grams (1.65 lbs) while the Sony RX1R has dimensions of 113mm x 65mm x 70mm (4.4" x 2.6" x 2.8") accompanied by a weight of 482 grams (1.06 lbs).

Analyze the Sigma SD15 vs Sony RX1R in our completely new Camera & Lens Size Comparison Tool.

Remember, the weight of an ILC will differ dependant on the lens you have chosen during that time. Following is a front view measurements comparison of the SD15 vs the RX1R.

Taking into account size and weight, the portability score of the SD15 and RX1R is 59 and 79 respectively.

Generally, its hard to visualise the difference in sensor measurements only by going through a spec sheet. The graphic underneath will help give you a greater sense of the sensor sizing in the SD15 and RX1R.

As you can see, both cameras come with different resolutions and different sensor measurements. The SD15 having a smaller sensor will make getting shallow DOF more difficult and the Sony RX1R will provide greater detail because of its extra 19MP. Greater resolution will also enable you to crop images a good deal more aggressively. The older SD15 will be behind with regard to sensor technology.