Sigma DP1 vs Sony RX100

Here is a detailed assessment of the Sigma DP1 vs Sony RX100, both Large Sensor Compact digital cameras by companies Sigma and Sony. There is a crucial difference between the sensor resolutions of the DP1 (5MP) and RX100 (20MP) and the DP1 (APS-C) and RX100 (1") come with different sensor sizes.

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The DP1 was announced 5 years before the RX100 and that is quite a serious gap as far as tech is concerned. Both of these cameras offer the identical body type (Large Sensor Compact).

Before going straight into a complete comparison, below is a brief introduction of how the DP1 matches up against the RX100 with regards to portability, imaging, features and an overall rating.

Below is a preview of the gallery images for Sigma DP1 and Sony Cyber-shot DSC-RX100. The whole galleries are provided at Sigma DP1 Gallery and Sony RX100 Gallery.

If you are looking to carry your camera often, you're going to have to take into account its weight and measurements. The Sigma DP1 has got outer measurements of 113mm x 60mm x 50mm (4.4" x 2.4" x 2.0") with a weight of 270 grams (0.60 lbs) whilst the Sony RX100 has proportions of 102mm x 58mm x 36mm (4.0" x 2.3" x 1.4") with a weight of 240 grams (0.53 lbs).

Contrast the Sigma DP1 vs Sony RX100 in the latest Camera with Lens Size Comparison Tool.

Always remember, the weight of an Interchangeable Lens Camera will differ based on the lens you have chosen at that time. Here is the front view sizing comparison of the DP1 compared to the RX100.

Taking into account size and weight, the portability rating of the DP1 and RX100 is 87 and 91 respectively.

Usually, its hard to picture the difference between sensor sizing just by checking specs. The graphic below might give you a far better sense of the sensor measurements in the DP1 and RX100.

All in all, the two cameras enjoy different resolutions and different sensor sizing. The DP1 having a bigger sensor is going to make getting shallower depth of field simpler and the Sony RX100 will resolve extra detail with its extra 15MP. Higher resolution will also allow you to crop pictures far more aggressively. The older DP1 is going to be behind in sensor tech.