Sony A7 vs Sony A7 III

Let's take a closer look at the Sony A7 vs Sony A7 III, both Pro Mirrorless digital cameras and both are built by Sony. The image resolution of the A7 (24MP) and the A7 III (24MP) is pretty well matched and they use the same exact sensor dimensions (Full frame).

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The A7 was manufactured 5 years before the A7 III which is quite a large difference as far as tech is concerned. Both of these cameras offer the identical body type (SLR-style mirrorless).

Before delving through a detailed comparison, below is a brief highlight of how the A7 matches up versus the A7 III with respect to portability, imaging, features and an overall score.

The following is a preview of the gallery images for Sony Alpha A7 & Sony Alpha A7 III. The entire galleries are viewable at Sony A7 Gallery & Sony A7 III Gallery.

When you are looking to carry around your camera regularly, you should think about its weight and size. The Sony A7 provides outer dimensions of 127mm x 94mm x 48mm (5.0" x 3.7" x 1.9") and a weight of 474 grams (1.04 lbs) while the Sony A7 III has specifications of 127mm x 96mm x 74mm (5.0" x 3.8" x 2.9") and a weight of 650 grams (1.43 lbs).

Examine the Sony A7 vs Sony A7 III in our brand new Camera plus Lens Size Comparison Tool.

Remember that, the weight of an ILC will differ depending on the lens you select during that time. The following is the front view sizing comparison of the A7 vs the A7 III.

Factoring in size and weight, the portability score of the A7 and A7 III is 78 and 63 respectively.

Oftentimes, it is very tough to visualise the gap between sensor sizes merely by reading through a spec sheet. The image below may offer you a much better sense of the sensor dimensions in the A7 and A7 III.

Clearly, each of the cameras offer the same exact sensor sizing and the same exact megapixels so you can expect similar quality of pictures however you will want to factor the age of the products into consideration. The more aged A7 is going to be behind with regard to sensor technology.