Sony A7S vs Sony RX100 III

Here is a thorough review of the Sony A7S and Sony RX100 III, former being a Pro Mirrorless while the other is a Large Sensor Compact and both are built by Sony. There exists a noticeable gap between the image resolutions of the A7S (12MP) and RX100 III (20MP) and the A7S (Full frame) and RX100 III (1") provide totally different sensor measurements.

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The A7S was launched within a month of the RX100 III so they are both of a similar age. Both of the cameras feature different body design with the Sony A7S being a SLR-style mirrorless camera and the Sony RX100 III being a Large Sensor Compact camera.

Before going straight to a thorough comparison, here is a brief view of how the A7S scores versus the RX100 III in the way of portability, imaging, features and an overall rating.

Here is a sample of the gallery pictures for Sony Alpha A7S & Sony Cyber-shot DSC-RX100 III. The complete galleries are available at Sony A7S Gallery & Sony RX100 III Gallery.

For anybody who is aiming to carry your camera regularly, you should consider its weight and size. The Sony A7S provides outside dimensions of 127mm x 94mm x 48mm (5.0" x 3.7" x 1.9") accompanied by a weight of 489 grams (1.08 lbs) while the Sony RX100 III has specifications of 102mm x 58mm x 41mm (4.0" x 2.3" x 1.6") with a weight of 290 grams (0.64 lbs).

Take a look at the Sony A7S and Sony RX100 III in our brand new Camera & Lens Size Comparison Tool.

Take into consideration, the weight of an ILC will differ depending on the lens you have attached at the time. Below is a front view physical size comparison of the A7S compared to the RX100 III.

Taking into consideration dimensions and weight, the portability grade of the A7S and RX100 III is 77 and 89 respectively.

Normally, it's hard to envision the gap between sensor sizing just by checking specifications. The graphic underneath may provide you a clearer sense of the sensor sizes in the A7S and RX100 III.

Plainly, the 2 cameras feature different resolutions and different sensor sizing. The A7S due to its larger sensor will make getting shallow depth of field simpler and the Sony RX100 III will give you greater detail utilizing its extra 8 Megapixels. Greater resolution will help you crop pics way more aggressively.