Sony A7S III vs Sony A6100

Lets look more closely at the Sony A7S III versus Sony A6100, former being a Pro Mirrorless while the other is a Advanced Mirrorless and they are both built by Sony. There exists a substantial gap among the resolutions of the A7S III (12MP) and A6100 (24MP) and the A7S III (Full frame) and A6100 (APS-C) boast different sensor size.

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The A7S III was unveiled 11 months later than the A6100 so they are both of a similar age. Both of these cameras have different body design with the Sony A7S III being a SLR-style mirrorless camera and the Sony A6100 being a Rangefinder-style mirrorless camera.

Before getting straight to a more detailed comparison, here is a concise overview of how the A7S III grades versus the A6100 when it comes to portability, imaging, features and an overall rating.

Below is a sample of the gallery pics for Sony Alpha A7S III & Sony Alpha a6100. The full galleries are available at Sony A7S III Gallery & Sony A6100 Gallery.

For those who are intending to carry your camera often, you'll have to think about its weight and proportions. The Sony A7S III features exterior dimensions of 129mm x 97mm x 81mm (5.1" x 3.8" x 3.2") along with a weight of 699 grams (1.54 lbs) and the Sony A6100 has measurements of 120mm x 67mm x 59mm (4.7" x 2.6" x 2.3") having a weight of 396 grams (0.87 lbs).

Look at the Sony A7S III versus Sony A6100 in our completely new Camera plus Lens Size Comparison Tool.

Take into consideration, the weight of an ILC will differ based on the lens you are utilising at the time. Here is a front view size comparison of the A7S III and the A6100.

Looking at dimensions and weight, the portability rating of the A7S III and A6100 is 61 and 81 respectively.

Quite often, its hard to visualize the contrast in sensor sizing simply by going through technical specs. The visual underneath will help give you a much better sense of the sensor dimensions in the A7S III and A6100.

As you can tell, the 2 cameras have different megapixels and different sensor sizing. The A7S III using its larger sensor is going to make getting shallow DOF less difficult and the Sony A6100 will provide extra detail having an extra 12MP. Greater resolution can also allow you to crop photos a bit more aggressively. The younger A7S III provides an edge when it comes to sensor tech.