Canon 550D vs Sony A7 III

Lets examine more closely at the Canon 550D and Sony A7 III, former is a Entry-Level DSLR while the latter is a Pro Mirrorless by companies Canon and Sony. There is a noticeable difference between the resolutions of the 550D (18MP) and A7 III (24MP) and the 550D (APS-C) and A7 III (Full frame) use different sensor sizing.

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The 550D was launched 9 years prior to the A7 III which is quite a sizable difference as far as tech is concerned. The two cameras come with different body type with the Canon 550D being a Compact SLR camera and the Sony A7 III being a SLR-style mirrorless camera.

Before delving straight into a step-by-step comparison, below is a concise highlight of how the 550D scores against the A7 III with regard to portability, imaging, features and an overall score.

Below is a preview of the gallery photos for Canon EOS 550D & Sony Alpha A7 III. The complete galleries are available at Canon 550D Gallery & Sony A7 III Gallery.

For those who are aiming to carry around your camera often, you have to think about its weight and size. The Canon 550D provides external measurements of 129mm x 98mm x 62mm (5.1" x 3.9" x 2.4") and a weight of 530 grams (1.17 lbs) whilst the Sony A7 III has specifications of 127mm x 96mm x 74mm (5.0" x 3.8" x 2.9") having a weight of 650 grams (1.43 lbs).

Look at the Canon 550D and Sony A7 III in our brand new Camera & Lens Size Comparison Tool.

Remember that, the weight of an ILC will vary based on the lens you are utilising at that moment. Following is the front view over all size comparison of the 550D versus the A7 III.

Looking at size and weight, the portability rating of the 550D and A7 III is 70 and 63 respectively.

In many cases, it is very hard to visualize the contrast between sensor sizes only by checking a spec sheet. The pic below should offer you a stronger sense of the sensor sizing in the 550D and A7 III.

Clearly, both cameras posses different megapixels and different sensor sizes. The 550D featuring a tinier sensor is going to make getting shallow depth of field tougher and the Sony A7 III will give you extra detail utilizing its extra 6 Megapixels. Higher resolution will let you crop photographs somewhat more aggressively. The more aged 550D is going to be behind when it comes to sensor tech.