Sony A7R III vs Sony S2100

Below, we are evaluating the Sony A7R III vs Sony S2100, one being a Pro Mirrorless and the other is a Small Sensor Compact and they are both built by Sony. There exists a crucial gap among the sensor resolutions of the A7R III (42MP) and S2100 (12MP) and the A7R III (Full frame) and S2100 (1/2.3") come with totally different sensor measurements.

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The A7R III was launched 7 years later than the S2100 and that is a fairly serious gap as far as camera technology is concerned. Both cameras come with different body type with the Sony A7R III being a SLR-style mirrorless camera and the Sony S2100 being a Compact camera.

Before we go in to a complete comparison, below is a brief summation of how the A7R III scores against the S2100 with respect to portability, imaging, features and an overall grade.

Below is a sample of the gallery pics for Sony Alpha A7R III and Sony Cyber-shot DSC-S2100. The complete galleries are available at Sony A7R III Gallery and Sony S2100 Gallery.

If you're intending to lug around your camera often, you will have to take into account its weight and measurements. The Sony A7R III has outer measurements of 127mm x 96mm x 74mm (5.0" x 3.8" x 2.9") having a weight of 657 grams (1.45 lbs) and the Sony S2100 has proportions of 98mm x 61mm x 27mm (3.9" x 2.4" x 1.1") and a weight of 167 grams (0.37 lbs).

Compare the Sony A7R III vs Sony S2100 in the new Camera with Lens Size Comparison Tool.

Take into consideration, the weight of an Interchangeable Lens Camera will vary depending on the lens you choose at that time. Below is the front view size comparison of the A7R III and the S2100.

Taking into consideration dimensions and weight, the portability grade of the A7R III and S2100 is 63 and 93 respectively.

Quite often, it can be difficult to envision the gap in sensor measurements merely by viewing a spec sheet. The visual below should offer you a more clear sense of the sensor sizing in the A7R III and S2100.

As you can see, both the cameras have got different megapixel count and different sensor measurements. The A7R III featuring a larger sensor will make achieving shallow depth of field less difficult and the Sony A7R III will render more detail utilizing its extra 30 Megapixels. Greater resolution will also help you crop photos much more aggressively. The more recent A7R III is going to have an advantage with regard to sensor technology.