Sony A7R III vs YI M1

On this page, we are contrasting the Sony A7R III vs YI M1, former being a Pro Mirrorless while the other is a Entry-Level Mirrorless by brands Sony and YI. There exists a noticeable gap among the resolutions of the A7R III (42MP) and M1 (20MP) and the A7R III (Full frame) and M1 (Four Thirds) boast different sensor sizes.

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The A7R III was unveiled 14 months later than the M1 making them a generation apart from one another. Both of these cameras have different body design with the Sony A7R III being a SLR-style mirrorless camera and the YI M1 being a Rangefinder-style mirrorless camera.

Before we go straight to a more detailed comparison, here is a simple summary of how the A7R III scores against the M1 when considering portability, imaging, features and an overall grade.

Below is a sample of the gallery pictures for Sony Alpha A7R III & YI M1. The full galleries are viewable at Sony A7R III Gallery & YI M1 Gallery.

When you are planning to lug around your camera regularly, you have to take into account its weight and measurements. The Sony A7R III features exterior measurements of 127mm x 96mm x 74mm (5.0" x 3.8" x 2.9") having a weight of 657 grams (1.45 lbs) while the YI M1 has proportions of 114mm x 64mm x 34mm (4.5" x 2.5" x 1.3") and a weight of 350 grams (0.77 lbs).

Check the Sony A7R III vs YI M1 in our brand new Camera plus Lens Size Comparison Tool.

Remember that, the weight of an ILC will vary depending on the lens you are utilizing at the time. Underneath is a front view overall size comparison of the A7R III vs the M1.

Considering dimensions and weight, the portability grade of the A7R III and M1 is 63 and 87 respectively.

Normally, it can be tough to imagine the gap in sensor measurements merely by researching a spec sheet. The photograph below should give you a greater sense of the sensor measurements in the A7R III and M1.

Clearly, both of those cameras have different megapixels and different sensor measurements. The A7R III using its larger sensor is going to make achieving shallow depth of field less difficult and the Sony A7R III will render more detail having an extra 22 Megapixels. Greater resolution will make it easier to crop photos a bit more aggressively. The more modern A7R III should have an edge in sensor innovation.