Sony A7 III vs Sony A9

Its time to look more closely at the Sony A7 III versus Sony A9, both Pro Mirrorless digital cameras and both are produced by Sony. The resolution of the A7 III (24MP) and the A9 (24MP) is fairly well matched and both cameras posses the same sensor size (Full frame).

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The A7 III was brought out 11 months after the A9 so they are of a similar generation. Both of these cameras have the same body design (SLR-style mirrorless).

Before delving straight to a full comparison, here is a short summary of how the A7 III matches up vs the A9 for portability, imaging, features and an overall score.

Here is a sample of the gallery pictures for Sony Alpha A7 III and Sony Alpha A9. The entire galleries are available at Sony A7 III Gallery and Sony A9 Gallery.

For anybody who is intending to carry around your camera frequently, you need to factor in its weight and size. The Sony A7 III features outer measurements of 127mm x 96mm x 74mm (5.0" x 3.8" x 2.9") with a weight of 650 grams (1.43 lbs) while the Sony A9 has specifications of 127mm x 96mm x 63mm (5.0" x 3.8" x 2.5") with a weight of 673 grams (1.48 lbs).

See the Sony A7 III versus Sony A9 in the all new Camera with Lens Size Comparison Tool.

Remember that, the weight of an Interchangeable Lens Camera will change based on the lens you are working with at that moment. Here is a front view dimensions comparison of the A7 III against the A9.

Factoring in dimensions and weight, the portability grade of the A7 III and A9 is 63 and 65 respectively.

More often than not, its hard to visualise the difference between sensor sizes only by reading through technical specs. The pic here may provide you a clearer sense of the sensor sizing in the A7 III and A9.

As you can tell, the two cameras have the same sensor dimensions and the identical megapixels so you should expect similar quality of photographs however you will want to consider the release date of the products into consideration. The more modern A7 III will have an edge with regard to sensor tech.