Sony A7 III vs Sony A700

The following is a extended analysis of the Sony A7 III and Sony A700, former is a Pro Mirrorless while the latter is a Advanced DSLR and they are both sold by Sony. There is a substantial difference between the sensor resolutions of the A7 III (24MP) and A700 (12MP) and the A7 III (Full frame) and A700 (APS-C) offer totally different sensor measurements.

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The A7 III was introduced 10 years after the A700 which is quite a big difference as far as tech is concerned. Both of the cameras feature different body design with the Sony A7 III being a SLR-style mirrorless camera and the Sony A700 being a Mid-size SLR camera.

Before getting straight to a complete comparison, here is a short introduction of how the A7 III grades vs the A700 with regard to portability, imaging, features and an overall mark.

Here is a preview of the gallery images for Sony Alpha A7 III & Sony Alpha DSLR-A700. The whole galleries are provided at Sony A7 III Gallery & Sony A700 Gallery.

For those who are looking to travel with your camera frequently, you have to factor in its weight and size. The Sony A7 III comes with exterior 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 A700 has specifications of 142mm x 105mm x 80mm (5.6" x 4.1" x 3.1") with a weight of 768 grams (1.69 lbs).

Take a look at the Sony A7 III and Sony A700 in our completely new Camera & Lens Size Comparison Tool.

Keep in mind, the weight of an ILC will vary depending on the lens you choose at the time. The following is a front view size comparison of the A7 III and the A700.

Factoring in size and weight, the portability rating of the A7 III and A700 is 63 and 58 respectively.

Usually, it can be difficult to visualise the difference between sensor dimensions merely by going over a spec sheet. The pic underneath may provide you a clearer sense of the sensor sizing in the A7 III and A700.

As you can see, both of these cameras feature different megapixels and different sensor dimensions. The A7 III having a bigger sensor will make achieving shallow depth of field simpler and the Sony A7 III will offer extra detail using its extra 12MP. Higher resolution will also enable you to crop pictures way more aggressively. The newer A7 III will have an advantage in sensor tech.