Sony A7 III vs Sony A7S

On this page, we are looking at the Sony A7 III versus Sony A7S, both Pro Mirrorless digital cameras and both of them are produced by Sony. There exists a noticeable gap between the sensor resolutions of the A7 III (24MP) and A7S (12MP) but both cameras have the same sensor sizes (Full frame).

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The A7 III was announced 3 years later than the A7S and that is quite a sizable difference as far as technology is concerned. The two cameras have the same body design (SLR-style mirrorless).

Before diving straight to a in-depth comparison, here is a concise summary of how the A7 III matches up vs the A7S when considering portability, imaging, features and an overall rating.

Below is a sample of the gallery pics for Sony Alpha A7 III & Sony Alpha A7S. The whole galleries are available at Sony A7 III Gallery & Sony A7S Gallery.

For those who are looking to carry your camera regularly, you'll need to think about its weight and dimensions. The Sony A7 III comes with physical measurements of 127mm x 96mm x 74mm (5.0" x 3.8" x 2.9") having a weight of 650 grams (1.43 lbs) while the Sony A7S has dimensions of 127mm x 94mm x 48mm (5.0" x 3.7" x 1.9") with a weight of 489 grams (1.08 lbs).

Take a look at the Sony A7 III versus Sony A7S in our brand new Camera & Lens Size Comparison Tool.

Do not forget, the weight of an ILC will vary depending on the lens you are utilizing at the time. Following is a front view dimension comparison of the A7 III versus the A7S.

Factoring in dimensions and weight, the portability grade of the A7 III and A7S is 63 and 77 respectively.

Quite often, its hard to picture the difference between sensor sizing merely by reviewing specs. The visual here might give you a much better sense of the sensor sizing in the A7 III and A7S.

All in all, both of these cameras provide the same sensor dimensions but different resolution. You can expect to see the Sony A7 III to offer you extra detail with its extra 12 Megapixels. Greater resolution will also make it easier to crop pics more aggressively. The more modern A7 III should have an edge with regard to sensor innovation.