Sony A7R III vs Sony A580

Below, we are contrasting the Sony A7R III vs Sony A580, one being a Pro Mirrorless and the other is a Entry-Level DSLR and they are both created by Sony. There is a crucial difference between the image resolutions of the A7R III (42MP) and A580 (16MP) and the A7R III (Full frame) and A580 (APS-C) come with totally different sensor dimensions.

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The A7R III was unveiled 6 years later than the A580 and that is quite a serious gap as far as tech is concerned. Each of these cameras come with different body type with the Sony A7R III being a SLR-style mirrorless camera and the Sony A580 being a Compact SLR camera.

Before diving through a detailed comparison, below is a concise synopsis of how the A7R III scores vs the A580 in relation to portability, imaging, features and an overall rating.

Below is a sample of the gallery pictures for Sony Alpha A7R III and Sony Alpha DSLR-A580. The full galleries are provided at Sony A7R III Gallery and Sony A580 Gallery.

For those who are intending to carry your camera frequently, you need to think about its weight and measurements. The Sony A7R III comes with physical measurements of 127mm x 96mm x 74mm (5.0" x 3.8" x 2.9") and a weight of 657 grams (1.45 lbs) and the Sony A580 has proportions of 137mm x 104mm x 84mm (5.4" x 4.1" x 3.3") and a weight of 599 grams (1.32 lbs).

Compare the Sony A7R III vs Sony A580 in the new Camera and Lens Size Comparison Tool.

Take into consideration, the weight of an Interchangeable Lens Camera will vary dependant on the lens you use at that time. The following is the front view physical size comparison of the A7R III vs the A580.

Using size and weight, the portability grade of the A7R III and A580 is 63 and 64 respectively.

Often, its tough to envision the contrast between sensor sizing just by looking at a spec sheet. The visual here will help provide you a clearer sense of the sensor sizing in the A7R III and A580.

As you can see, the two cameras have got different resolutions and different sensor sizing. The A7R III using its larger sensor will make achieving shallower depth of field less difficult and the Sony A7R III will give you extra detail having an extra 26MP. Greater resolution will let you crop photos much more aggressively. The newer A7R III is going to have a benefit with regard to sensor technology.