Sony A7 III vs Sony A6100

On this page, we will be matching up the Sony A7 III vs Sony A6100, former is a Pro Mirrorless while the latter is a Advanced Mirrorless and both of them are sold by Sony. The resolution of the A7 III (24MP) and the A6100 (24MP) is pretty well matched but the A7 III (Full frame) and A6100 (APS-C) boast different sensor size.

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The A7 III was manufactured 18 months earlier than the A6100 which makes them a generation away from one another. Each of these cameras have different body design with the Sony A7 III being a SLR-style mirrorless camera and the Sony A6100 being a Rangefinder-style mirrorless camera.

Before diving right into a more detailed comparison, here is a short view of how the A7 III grades against the A6100 when it comes to portability, imaging, features and an overall mark.

Here is a preview of the gallery images for Sony Alpha A7 III & Sony Alpha a6100. The entire galleries are provided at Sony A7 III Gallery & Sony A6100 Gallery.

If you are planning to travel with your camera, you will need to consider its weight and volume. The Sony A7 III features exterior measurements of 127mm x 96mm x 74mm (5.0" x 3.8" x 2.9") and a weight of 650 grams (1.43 lbs) and the Sony A6100 has sizing of 120mm x 67mm x 59mm (4.7" x 2.6" x 2.3") with a weight of 396 grams (0.87 lbs).

Examine the Sony A7 III vs Sony A6100 in our newest Camera plus Lens Size Comparison Tool.

Do not forget, the weight of an ILC will vary dependant on the lens you have attached at the time. The following is a front view measurement comparison of the A7 III vs the A6100.

Looking at dimensions and weight, the portability grade of the A7 III and A6100 is 63 and 81 respectively.

Normally, it is hard to visualize the difference between sensor dimensions simply by reading through specs. The picture below will provide you a greater sense of the sensor sizing in the A7 III and A6100.

As you can plainly see, the 2 cameras have the same megapixel count albeit different sensor dimensions. The A7 III has the bigger sensor which should make getting shallow DOF easier. The more aged A7 III is going to be disadvantaged with regard to sensor tech.