Sony A7 vs Sony A7R III

Following is a in depth overview of the Sony A7 and Sony A7R III, both Pro Mirrorless digital cameras and both are produced by Sony. There exists a sizable gap between the sensor resolutions of the A7 (24MP) and A7R III (42MP) but both cameras posses the identical sensor measurements (Full frame).

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The A7 was manufactured 4 years earlier than the A7R III which is quite a significant difference as far as technology is concerned. Both of the cameras feature the same body design (SLR-style mirrorless).

Before diving into a more detailed comparison, here is a quick summation of how the A7 scores against the A7R III with regard to portability, imaging, features and an overall score.

Following is a preview of the gallery images for Sony Alpha A7 & Sony Alpha A7R III. The entire galleries are available at Sony A7 Gallery & Sony A7R III Gallery.

If you are looking to carry around your camera frequently, you will have to consider its weight and proportions. The Sony A7 comes with outside dimensions of 127mm x 94mm x 48mm (5.0" x 3.7" x 1.9") having a weight of 474 grams (1.04 lbs) and the Sony A7R III has measurements of 127mm x 96mm x 74mm (5.0" x 3.8" x 2.9") accompanied by a weight of 657 grams (1.45 lbs).

Compare the Sony A7 and Sony A7R III in our brand new Camera plus Lens Size Comparison Tool.

Remember that, the weight of an ILC will change based on the lens you are working with at that moment. Here is a front view measurements comparison of the A7 and the A7R III.

Taking into account dimensions and weight, the portability rating of the A7 and A7R III is 78 and 63 respectively.

More often than not, it's difficult to see the gap between sensor sizes purely by reviewing technical specs. The pic underneath may offer you a clearer sense of the sensor sizes in the A7 and A7R III.

As you can tell, both of the cameras come with the identical sensor size albeit not the same megapixels. You can expect the Sony A7R III to deliver greater detail due to its extra 18 Megapixels. Higher resolution can also make it easier to crop shots a good deal more aggressively. The more aged A7 is going to be behind with regard to sensor tech.