Sony A7 III vs Sony RX100

Following is a in depth comparison of the Sony A7 III versus Sony RX100, one is a Pro Mirrorless and the latter is a Large Sensor Compact and they are both produced by Sony. The resolution of the A7 III (24MP) and the RX100 (20MP) is pretty similar but the A7 III (Full frame) and RX100 (1") come with totally different sensor dimensions.

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The A7 III was announced 5 years after the RX100 which is quite a large gap as far as technology is concerned. Both cameras offer different body type with the Sony A7 III being a SLR-style mirrorless camera and the Sony RX100 being a Large Sensor Compact camera.

Before going through a comprehensive comparison, below is a concise summary of how the A7 III scores versus the RX100 when it comes to portability, imaging, features and an overall score.

The following is a preview of the gallery images for Sony Alpha A7 III and Sony Cyber-shot DSC-RX100. The whole galleries are provided at Sony A7 III Gallery and Sony RX100 Gallery.

For anybody who is going to carry around your camera regularly, you're going to have to factor in its weight and volume. The Sony A7 III has outer dimensions of 127mm x 96mm x 74mm (5.0" x 3.8" x 2.9") along with a weight of 650 grams (1.43 lbs) and the Sony RX100 has sizing of 102mm x 58mm x 36mm (4.0" x 2.3" x 1.4") and a weight of 240 grams (0.53 lbs).

Look at the Sony A7 III versus Sony RX100 in the latest Camera and Lens Size Comparison Tool.

Take into consideration, the weight of an Interchangeable Lens Camera will vary depending on the lens you have chosen at the time. Below is the front view measurement comparison of the A7 III vs the RX100.

Taking into account dimensions and weight, the portability grade of the A7 III and RX100 is 63 and 91 respectively.

Normally, it is very tough to visualise the gap between sensor sizes only by reviewing specs. The picture below will provide you a much better sense of the sensor dimensions in the A7 III and RX100.

As you can plainly see, the 2 cameras offer different megapixels and different sensor sizes. The A7 III having a bigger sensor will make shooting shallower depth of field simpler and the Sony A7 III will offer greater detail with its extra 4MP. Higher resolution can also let you crop pictures a little more aggressively. The newer A7 III will have an advantage in sensor innovation.