Sony A7 III vs Sony NEX-3

Lets take a deeper look at the Sony A7 III vs Sony NEX-3, former is a Pro Mirrorless while the latter is a Entry-Level Mirrorless and both are produced by Sony. There is a large difference between the image resolutions of the A7 III (24MP) and NEX-3 (14MP) and the A7 III (Full frame) and NEX-3 (APS-C) feature totally different sensor size.

Photography Glossary

The A7 III was manufactured 7 years after the NEX-3 which is quite a serious difference as far as tech is concerned. Both the cameras come with different body type with the Sony A7 III being a SLR-style mirrorless camera and the Sony NEX-3 being a Rangefinder-style mirrorless camera.

Before we go in to a in-depth comparison, below is a concise summation of how the A7 III scores versus the NEX-3 with respect to portability, imaging, features and an overall score.

Below is a preview of the gallery images for Sony Alpha A7 III & Sony Alpha NEX-3. The entire galleries are provided at Sony A7 III Gallery & Sony NEX-3 Gallery.

If you're going to carry around your camera often, you should consider its weight and size. The Sony A7 III has outer measurements of 127mm x 96mm x 74mm (5.0" x 3.8" x 2.9") and a weight of 650 grams (1.43 lbs) and the Sony NEX-3 has specifications of 117mm x 62mm x 33mm (4.6" x 2.4" x 1.3") accompanied by a weight of 297 grams (0.65 lbs).

Contrast the Sony A7 III vs Sony NEX-3 in our brand new Camera & Lens Size Comparison Tool.

Always remember, the weight of an ILC will differ based on the lens you have at that time. Below is the front view physical size comparison of the A7 III compared to the NEX-3.

Taking into consideration size and weight, the portability grade of the A7 III and NEX-3 is 63 and 89 respectively.

In many cases, it is hard to see the contrast between sensor sizes only by reading through specifications. The picture here might give you a stronger sense of the sensor sizing in the A7 III and NEX-3.

Plainly, each of the cameras posses different megapixel count and different sensor sizes. The A7 III due to its bigger sensor will make getting bokeh easier and the Sony A7 III will give you extra detail due to its extra 10MP. Higher resolution will help you crop pictures somewhat more aggressively. The fresher A7 III will have a benefit with regard to sensor technology.