Sony A7 III vs Sony A6400

Let's look a little more closely at the Sony A7 III and Sony A6400, one is a Pro Mirrorless and the other is a Advanced Mirrorless and both are manufactured by Sony. The resolution of the A7 III (24MP) and the A6400 (24MP) is fairly well matched but the A7 III (Full frame) and A6400 (APS-C) possess different sensor measurements.

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The A7 III was revealed 10 months earlier than the A6400 and they are of a similar generation. The two cameras come with different body type with the Sony A7 III being a SLR-style mirrorless camera and the Sony A6400 being a Rangefinder-style mirrorless camera.

Before we go in to a in depth comparison, below is a quick view of how the A7 III grades vs the A6400 in the way of portability, imaging, features and an overall mark.

Following is a sample of the gallery pictures for Sony Alpha A7 III and Sony Alpha a6400. The full galleries are viewable at Sony A7 III Gallery and Sony A6400 Gallery.

If you are planning to travel with your camera frequently, you will want to consider its weight and dimensions. The Sony A7 III enjoys external measurements of 127mm x 96mm x 74mm (5.0" x 3.8" x 2.9") with a weight of 650 grams (1.43 lbs) whilst the Sony A6400 has dimensions of 120mm x 67mm x 50mm (4.7" x 2.6" x 2.0") having a weight of 403 grams (0.89 lbs).

Take a look at the Sony A7 III and Sony A6400 in the all new Camera with Lens Size Comparison Tool.

Don't forget, the weight of an Interchangeable Lens Camera will differ dependant on the lens you are utilising at that moment. Below is the front view dimension comparison of the A7 III versus the A6400.

Factoring in dimensions and weight, the portability score of the A7 III and A6400 is 63 and 83 respectively.

Sometimes, it can be tough to imagine the gap between sensor dimensions only by reading through specs. The image underneath might give you a much better sense of the sensor sizing in the A7 III and A6400.

All in all, the two cameras have got the exact same megapixels but different sensor dimensions. The A7 III contains the larger sensor which should make achieving shallow depth of field easier. The more aged A7 III is going to be behind in sensor technology.