Sony A7 III vs Sony A580

Here, we are reviewing the Sony A7 III vs Sony A580, former is a Pro Mirrorless while the other is a Entry-Level DSLR and they are both sold by Sony. There is a large difference among the sensor resolutions of the A7 III (24MP) and A580 (16MP) and the A7 III (Full frame) and A580 (APS-C) posses different sensor size.

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The A7 III was revealed 6 years after the A580 which is a fairly serious difference as far as camera tech is concerned. Both of these cameras feature different body design with the Sony A7 III being a SLR-style mirrorless camera and the Sony A580 being a Compact SLR camera.

Before getting into a full comparison, here is a simple synopsis of how the A7 III grades against the A580 for portability, imaging, features and an overall score.

This is a sample of the gallery pics for Sony Alpha A7 III & Sony Alpha DSLR-A580. The full galleries are provided at Sony A7 III Gallery & Sony A580 Gallery.

When you are planning to carry around your camera often, you should consider its weight and dimensions. The Sony A7 III provides outside dimensions of 127mm x 96mm x 74mm (5.0" x 3.8" x 2.9") with a weight of 650 grams (1.43 lbs) while the Sony A580 has dimensions of 137mm x 104mm x 84mm (5.4" x 4.1" x 3.3") and a weight of 599 grams (1.32 lbs).

Contrast the Sony A7 III vs Sony A580 in our completely new Camera & Lens Size Comparison Tool.

Keep in mind, the weight of an ILC will differ dependant on the lens you select at that moment. The following is a front view overall size comparison of the A7 III compared to the A580.

Considering size and weight, the portability grade of the A7 III and A580 is 63 and 64 respectively.

In many cases, it's difficult to visualize the gap in sensor sizes purely by going through a spec sheet. The image below may provide you a clearer sense of the sensor dimensions in the A7 III and A580.

Clearly, both the cameras feature different resolutions and different sensor sizes. The A7 III with its larger sensor is going to make getting shallow depth of field simpler and the Sony A7 III will show greater detail because of its extra 8MP. Greater resolution can also make it easier to crop pics way more aggressively. The newer A7 III should have a benefit when it comes to sensor technology.