Sigma SD9 vs Sony RX1R

Let's take a more detailed look at the Sigma SD9 vs Sony RX1R, one is a Advanced DSLR and the other is a Large Sensor Compact by rivals Sigma and Sony. There is a huge difference among the sensor resolutions of the SD9 (3MP) and RX1R (24MP) and the SD9 (APS-C) and RX1R (Full frame) offer different sensor sizing.

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The SD9 was unveiled 11 years earlier than the RX1R which is a fairly significant gap as far as camera tech is concerned. Each of these cameras have different body design with the Sigma SD9 being a Mid-size SLR camera and the Sony RX1R being a Large Sensor Compact camera.

Before we go right into a in-depth comparison, here is a concise overview of how the SD9 grades against the RX1R in regards to portability, imaging, features and an overall score.

Below is a sample of the gallery pictures for Sigma SD9 and Sony Cyber-shot DSC-RX1R. The full galleries are provided at Sigma SD9 Gallery and Sony RX1R Gallery.

For anyone who is planning to carry around your camera often, you have to think about its weight and volume. The Sigma SD9 has exterior dimensions of 152mm x 120mm x 79mm (6.0" x 4.7" x 3.1") and a weight of 950 grams (2.09 lbs) and the Sony RX1R has sizing of 113mm x 65mm x 70mm (4.4" x 2.6" x 2.8") having a weight of 482 grams (1.06 lbs).

See the Sigma SD9 vs Sony RX1R in the new Camera and Lens Size Comparison Tool.

Keep in mind, the weight of an Interchangeable Lens Camera will vary depending on the lens you have chosen during that time. Following is a front view size comparison of the SD9 against the RX1R.

Using size and weight, the portability score of the SD9 and RX1R is 54 and 79 respectively.

Generally, it can be difficult to visualize the gap in sensor sizes purely by looking through a spec sheet. The image here might provide you a more clear sense of the sensor dimensions in the SD9 and RX1R.

As you can see, both the cameras provide different resolutions and different sensor sizes. The SD9 with its smaller sensor is going to make getting shallower DOF tougher and the Sony RX1R will provide you with more detail having an extra 21 Megapixels. Greater resolution can also allow you to crop photos more aggressively. The more aged SD9 will be behind with regard to sensor technology.