Nikon S31 vs Sony A7R III

On this page, we are comparing the Nikon S31 and Sony A7R III, former being a Waterproof while the other is a Pro Mirrorless by rivals Nikon and Sony. There is a noticeable difference between the sensor resolutions of the S31 (10MP) and A7R III (42MP) and the S31 (1/2.9") and A7R III (Full frame) provide totally different sensor sizing.

Photobucket discusses licensing 13 billion images with AI firms

The S31 was launched 5 years before the A7R III and that is quite a sizable difference as far as tech is concerned. Both cameras have different body design with the Nikon S31 being a Compact camera and the Sony A7R III being a SLR-style mirrorless camera.

Before getting right into a in depth comparison, here is a concise summation of how the S31 scores against the A7R III when considering portability, imaging, features and an overall rating.

Here is a sample of the gallery pictures for Nikon Coolpix S31 & Sony Alpha A7R III. The complete galleries are provided at Nikon S31 Gallery & Sony A7R III Gallery.

For anyone who is going to carry your camera, you're going to have to factor in its weight and proportions. The Nikon S31 features physical dimensions of 105mm x 65mm x 42mm (4.1" x 2.6" x 1.7") along with a weight of 185 grams (0.41 lbs) whilst the Sony A7R III has measurements of 127mm x 96mm x 74mm (5.0" x 3.8" x 2.9") accompanied by a weight of 657 grams (1.45 lbs).

Check the Nikon S31 and Sony A7R III in our completely new Camera plus Lens Size Comparison Tool.

Do not forget, the weight of an ILC will change based on the lens you have at that moment. Underneath is a front view sizing comparison of the S31 compared to the A7R III.

Looking at size and weight, the portability score of the S31 and A7R III is 90 and 63 respectively.

In many cases, it is very tough to visualise the difference between sensor sizing purely by going over specifications. The graphic below might offer you a far better sense of the sensor sizes in the S31 and A7R III.

Plainly, both cameras provide different megapixel count and different sensor sizing. The S31 because of its tinier sensor will make achieving bokeh tougher and the Sony A7R III will offer more detail utilizing its extra 32MP. Greater resolution will also make it easier to crop photos more aggressively. The older S31 is going to be behind with regard to sensor technology.