Sony A7R III vs Sony W310

On this page, we will be reviewing the Sony A7R III and Sony W310, former being a Pro Mirrorless while the latter is a Ultracompact and both of them are sold by Sony. There exists a noticeable gap among the sensor resolutions of the A7R III (42MP) and W310 (12MP) and the A7R III (Full frame) and W310 (1/2.3") provide totally different sensor dimensions.

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The A7R III was unveiled 7 years later than the W310 and that is a fairly sizable difference as far as camera technology is concerned. Both cameras have different body design with the Sony A7R III being a SLR-style mirrorless camera and the Sony W310 being a Ultracompact camera.

Before we go into a in-depth comparison, here is a short view of how the A7R III grades vs the W310 with regards to portability, imaging, features and an overall grade.

The following is a preview of the gallery images for Sony Alpha A7R III & Sony Cyber-shot DSC-W310. The full galleries are viewable at Sony A7R III Gallery & Sony W310 Gallery.

For anyone who is intending to lug around your camera, you're going to have to consider its weight and measurements. The Sony A7R III features physical dimensions of 127mm x 96mm x 74mm (5.0" x 3.8" x 2.9") and a weight of 657 grams (1.45 lbs) while the Sony W310 has proportions of 95mm x 55mm x 19mm (3.7" x 2.2" x 0.7") along with a weight of 137 grams (0.30 lbs).

Check out the Sony A7R III and Sony W310 in our brand new Camera plus Lens Size Comparison Tool.

Always remember, the weight of an ILC will differ depending on the lens you are using during that time. Following is a front view physical size comparison of the A7R III vs the W310.

Taking into consideration dimensions and weight, the portability rating of the A7R III and W310 is 63 and 96 respectively.

Sometimes, it is very hard to visualise the gap in sensor measurements merely by seeing specifications. The photograph below will give you a far better sense of the sensor sizes in the A7R III and W310.

To sum up, both cameras have different megapixel count and different sensor measurements. The A7R III with its bigger sensor will make shooting shallow depth of field simpler and the Sony A7R III will produce greater detail having an extra 30 Megapixels. Higher resolution will also help you crop shots a bit more aggressively. The more modern A7R III will have a benefit when it comes to sensor tech.