Sigma DP2 Quattro vs Sony A7 III

On this page, we are contrasting the Sigma DP2 Quattro versus Sony A7 III, one being a Large Sensor Compact and the other is a Pro Mirrorless by brands Sigma and Sony. The resolution of the DP2 Quattro (20MP) and the A7 III (24MP) is fairly well matched but the DP2 Quattro (APS-C) and A7 III (Full frame) offer totally different sensor sizing.

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The DP2 Quattro was manufactured 5 years earlier than the A7 III and that is quite a large gap as far as tech is concerned. Both of the cameras have different body design with the Sigma DP2 Quattro being a Large Sensor Compact camera and the Sony A7 III being a SLR-style mirrorless camera.

Before we go right into a more detailed comparison, here is a brief summation of how the DP2 Quattro scores vs the A7 III when considering portability, imaging, features and an overall grade.

Here is a sample of the gallery pictures for Sigma DP2 Quattro and Sony Alpha A7 III. The entire galleries are provided at Sigma DP2 Quattro Gallery and Sony A7 III Gallery.

When you are planning to lug around your camera often, you have to take into account its weight and size. The Sigma DP2 Quattro has got physical dimensions of 161mm x 67mm x 82mm (6.3" x 2.6" x 3.2") along with a weight of 395 grams (0.87 lbs) whilst the Sony A7 III has specifications of 127mm x 96mm x 74mm (5.0" x 3.8" x 2.9") with a weight of 650 grams (1.43 lbs).

Examine the Sigma DP2 Quattro versus Sony A7 III in the new Camera and Lens Size Comparison Tool.

Don't forget, the weight of an Interchangeable Lens Camera will change dependant on the lens you have chosen at the time. Below is a front view scale comparison of the DP2 Quattro against the A7 III.

Considering size and weight, the portability rating of the DP2 Quattro and A7 III is 70 and 63 respectively.

Generally, it is hard to envision the contrast between sensor measurements merely by looking at a spec sheet. The graphic below will help provide you a better sense of the sensor sizes in the DP2 Quattro and A7 III.

Clearly, each of these cameras have different megapixels and different sensor measurements. The DP2 Quattro featuring a tinier sensor will make shooting shallower DOF harder and the Sony A7 III will give extra detail due to its extra 4MP. Greater resolution will also allow you to crop pics a bit more aggressively. The older DP2 Quattro is going to be disadvantaged in sensor tech.