Sony surprised everyone when it released the A9, a flagship camera designed for the ultimate performance in the realm of autofocus and speed. By comparison, the A7r III may appear inferior, especially if you seek the ultimate accuracy for sports and wildlife, but it excels in other departments such as landscapes and still life thanks to its stunning high-resolution image sensor.

The paragraph above is a good summary of the main differences between these two full-frame mirrorless cameras, but it is worth remembering that, despite having been designed for specific genres, they are both extremely versatile and can excel for most types of photography, not just the ones for which they are intended.

So how exactly do they compare? Well, here are the five most important aspects to keep in mind!
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