Sony A7R III vs Sony A55

Here, we will be matching up the Sony A7R III vs Sony A55, former is a Pro Mirrorless while the latter is a Entry-Level DSLR and both of them are produced by Sony. There exists a large gap among the sensor resolutions of the A7R III (42MP) and A55 (16MP) and the A7R III (Full frame) and A55 (APS-C) have totally different sensor measurements.

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The A7R III was introduced 7 years after the A55 which is a fairly serious difference as far as camera technology is concerned. Both the cameras feature different body design with the Sony A7R III being a SLR-style mirrorless camera and the Sony A55 being a Compact SLR camera.

Before getting straight to a in depth comparison, here is a simple view of how the A7R III scores against the A55 when considering portability, imaging, features and an overall mark.

This is a preview of the gallery photos for Sony Alpha A7R III & Sony SLT-A55. The whole galleries are provided at Sony A7R III Gallery & Sony A55 Gallery.

When you are going to travel with your camera frequently, you'll have to consider its weight and measurements. The Sony A7R III enjoys external dimensions of 127mm x 96mm x 74mm (5.0" x 3.8" x 2.9") and a weight of 657 grams (1.45 lbs) whilst the Sony A55 has proportions of 124mm x 92mm x 85mm (4.9" x 3.6" x 3.3") along with a weight of 500 grams (1.10 lbs).

Check the Sony A7R III vs Sony A55 in our completely new Camera & Lens Size Comparison Tool.

Don't forget, the weight of an ILC will differ depending on the lens you are utilizing at the time. Underneath is a front view proportions comparison of the A7R III against the A55.

Taking into consideration dimensions and weight, the portability score of the A7R III and A55 is 63 and 67 respectively.

More often than not, it is tough to see the gap in sensor dimensions purely by checking out specifications. The image below may offer you a better sense of the sensor sizes in the A7R III and A55.

Plainly, both the cameras come with different megapixels and different sensor dimensions. The A7R III using its bigger sensor will make getting shallower depth of field simpler and the Sony A7R III will produce more detail using its extra 26 Megapixels. Higher resolution can also let you crop photographs a good deal more aggressively. The more modern A7R III is going to have an edge with regard to sensor technology.