Nikon Z7 vs Sony A7R III

The following is a thorough review of the Nikon Z7 and Sony A7R III, both Pro Mirrorless digital cameras by rivals Nikon and Sony. The image resolution of the Z7 (46MP) and the A7R III (42MP) is very similar and both cameras posses the same sensor size (Full frame).

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The Z7 was released 11 months after the A7R III which means that they are of a similar age. Both of these cameras have the same body design (SLR-style mirrorless).

Before diving into a complete comparison, here is a concise summary of how the Z7 grades vs the A7R III in relation to portability, imaging, features and an overall mark.

Here is a sample of the gallery pics for Nikon Z7 & Sony Alpha A7R III. The complete galleries are provided at Nikon Z7 Gallery & Sony A7R III Gallery.

If you're looking to travel with your camera, you should factor in its weight and size. The Nikon Z7 offers outside measurements of 134mm x 101mm x 68mm (5.3" x 4.0" x 2.7") and a weight of 675 grams (1.49 lbs) while the Sony A7R III has specifications of 127mm x 96mm x 74mm (5.0" x 3.8" x 2.9") having a weight of 657 grams (1.45 lbs).

Look at the Nikon Z7 and Sony A7R III in our completely new Camera & Lens Size Comparison Tool.

Remember that, the weight of an ILC will vary based on the lens you have attached during that time. Following is a front view sizing comparison of the Z7 versus the A7R III.

Looking at size and weight, the portability rating of the Z7 and A7R III is 62 and 63 respectively.

Often, it is very difficult to see the gap between sensor dimensions merely by going over a spec sheet. The image below will provide you a stronger sense of the sensor measurements in the Z7 and A7R III.

Clearly, both of these cameras provide the same sensor dimensions but not the same MP. You can expect to see the Nikon Z7 to offer more detail as a result of its extra 4MP. Greater resolution will let you crop images more aggressively. The newer Z7 is going to have an edge in sensor tech.