Canon R vs Sony A7R III

Below is a detailed assessment of the Canon R versus Sony A7R III, both Pro Mirrorless digital cameras by rivals Canon and Sony. There exists a huge gap between the resolutions of the R (30MP) and A7R III (42MP) but they possess the same exact sensor sizing (Full frame).

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The R was released 11 months later than the A7R III which means that they are both of a similar generation. Both cameras offer the identical body type (SLR-style mirrorless).

Before getting in to a in depth comparison, below is a simple synopsis of how the R scores versus the A7R III when it comes to portability, imaging, features and an overall grade.

Following is a preview of the gallery images for Canon EOS R and Sony Alpha A7R III. The complete galleries are viewable at Canon R Gallery and Sony A7R III Gallery.

If you're going to lug around your camera frequently, you'll have to think about its weight and volume. The Canon R enjoys exterior dimensions of 136mm x 98mm x 84mm (5.4" x 3.9" x 3.3") along with a weight of 660 grams (1.46 lbs) while the Sony A7R III has sizing of 127mm x 96mm x 74mm (5.0" x 3.8" x 2.9") along with a weight of 657 grams (1.45 lbs).

See the Canon R versus Sony A7R III in the new Camera with Lens Size Comparison Tool.

Do not forget, the weight of an Interchangeable Lens Camera will differ depending on the lens you have attached at that moment. Underneath is the front view scale comparison of the R versus the A7R III.

Taking into account dimensions and weight, the portability score of the R and A7R III is 62 and 63 respectively.

Sometimes, its tough to imagine the gap between sensor measurements purely by checking technical specs. The photograph underneath will give you a greater sense of the sensor sizes in the R and A7R III.

As you have seen, both of the cameras offer the same exact sensor sizing albeit different megapixels. You should expect the Sony A7R III to give you more detail as a result of its extra 12 Megapixels. Higher resolution can also let you crop photographs a little more aggressively. The newer R provides an edge with regard to sensor innovation.