Sony A7R III vs Sony A6100

In this article, we will be analyzing the Sony A7R III versus Sony A6100, one is a Pro Mirrorless and the latter is a Advanced Mirrorless and both are produced by Sony. There exists a crucial gap among the image resolutions of the A7R III (42MP) and A6100 (24MP) and the A7R III (Full frame) and A6100 (APS-C) use totally different sensor size.

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The A7R III was unveiled 22 months before the A6100 which makes the cameras a generation away from one another. Both cameras offer different body type with the Sony A7R III being a SLR-style mirrorless camera and the Sony A6100 being a Rangefinder-style mirrorless camera.

Before getting through a in depth comparison, below is a quick introduction of how the A7R III grades versus the A6100 in terms of portability, imaging, features and an overall score.

Here is a preview of the gallery photos for Sony Alpha A7R III and Sony Alpha a6100. The full galleries are viewable at Sony A7R III Gallery and Sony A6100 Gallery.

For anybody who is looking to carry around your camera regularly, you'll have to factor in its weight and proportions. The Sony A7R III enjoys outside measurements of 127mm x 96mm x 74mm (5.0" x 3.8" x 2.9") accompanied by a weight of 657 grams (1.45 lbs) while the Sony A6100 has measurements of 120mm x 67mm x 59mm (4.7" x 2.6" x 2.3") along with a weight of 396 grams (0.87 lbs).

See the Sony A7R III versus Sony A6100 in the all new Camera with Lens Size Comparison Tool.

Keep in mind, the weight of an Interchangeable Lens Camera will change dependant on the lens you have during that time. Below is the front view size comparison of the A7R III compared to the A6100.

Considering dimensions and weight, the portability score of the A7R III and A6100 is 63 and 81 respectively.

More often than not, its tough to envision the contrast in sensor sizes only by viewing specs. The pic underneath should give you a much better sense of the sensor sizing in the A7R III and A6100.

All in all, both cameras enjoy different megapixels and different sensor sizes. The A7R III having a bigger sensor will make getting bokeh simpler and the Sony A7R III will result in greater detail having an extra 18 Megapixels. Higher resolution will also help you crop shots far more aggressively. The more aged A7R III will be behind in sensor tech.