Sigma DP2x vs Sony A7 III

Below is a thorough overview of the Sigma DP2x and Sony A7 III, one being a Large Sensor Compact and the latter is a Pro Mirrorless by brands Sigma and Sony. There exists a crucial gap among the image resolutions of the DP2x (5MP) and A7 III (24MP) and the DP2x (APS-C) and A7 III (Full frame) enjoy totally different sensor sizes.

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The DP2x was revealed 8 years earlier than the A7 III and that is a fairly serious gap as far as camera technology is concerned. Both of the cameras come with different body type with the Sigma DP2x being a Large Sensor Compact camera and the Sony A7 III being a SLR-style mirrorless camera.

Before diving straight into a comprehensive comparison, below is a simple highlight of how the DP2x grades vs the A7 III when it comes to portability, imaging, features and an overall grade.

Below is a preview of the gallery photos for Sigma DP2x and Sony Alpha A7 III. The full galleries are available at Sigma DP2x Gallery and Sony A7 III Gallery.

For those who are planning to lug around your camera frequently, you will need to take into account its weight and volume. The Sigma DP2x features physical measurements of 113mm x 60mm x 56mm (4.4" x 2.4" x 2.2") having a weight of 280 grams (0.62 lbs) whilst the Sony A7 III has sizing of 127mm x 96mm x 74mm (5.0" x 3.8" x 2.9") accompanied by a weight of 650 grams (1.43 lbs).

Contrast the Sigma DP2x and Sony A7 III in the new Camera and Lens Size Comparison Tool.

Always remember, the weight of an Interchangeable Lens Camera will change depending on the lens you are using at the time. Following is the front view measurement comparison of the DP2x vs the A7 III.

Considering dimensions and weight, the portability rating of the DP2x and A7 III is 86 and 63 respectively.

Typically, it is hard to see the difference in sensor measurements simply by viewing a spec sheet. The photograph underneath should give you a greater sense of the sensor sizing in the DP2x and A7 III.

As you can see, the two cameras posses different megapixel count and different sensor measurements. The DP2x with its smaller sensor will make achieving shallower DOF harder and the Sony A7 III will provide you with extra detail because of its extra 19 Megapixels. Higher resolution will also let you crop photographs somewhat more aggressively. The older DP2x will be disadvantaged with regard to sensor innovation.