Sony A7S vs Sony A6400

On this page, we are comparing the Sony A7S versus Sony A6400, former being a Pro Mirrorless while the other is a Advanced Mirrorless and they are both produced by Sony. There is a large difference among the resolutions of the A7S (12MP) and A6400 (24MP) and the A7S (Full frame) and A6400 (APS-C) offer totally different sensor sizing.

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The A7S was brought out 5 years before the A6400 and that is a fairly serious difference as far as camera tech is concerned. The two cameras have different body design with the Sony A7S being a SLR-style mirrorless camera and the Sony A6400 being a Rangefinder-style mirrorless camera.

Before diving right into a complete comparison, here is a brief synopsis of how the A7S grades versus the A6400 with regard to portability, imaging, features and an overall grade.

Here is a sample of the gallery pictures for Sony Alpha A7S & Sony Alpha a6400. The entire galleries are available at Sony A7S Gallery & Sony A6400 Gallery.

If you're aiming to lug around your camera regularly, you have to take into account its weight and measurements. The Sony A7S has external dimensions of 127mm x 94mm x 48mm (5.0" x 3.7" x 1.9") and a weight of 489 grams (1.08 lbs) and the Sony A6400 has proportions of 120mm x 67mm x 50mm (4.7" x 2.6" x 2.0") accompanied by a weight of 403 grams (0.89 lbs).

Analyze the Sony A7S versus Sony A6400 in our brand new Camera plus Lens Size Comparison Tool.

Remember, the weight of an ILC will change dependant on the lens you have attached at that moment. Underneath is a front view proportions comparison of the A7S versus the A6400.

Considering size and weight, the portability rating of the A7S and A6400 is 77 and 83 respectively.

Usually, it is tough to see the difference in sensor measurements simply by seeing technical specs. The graphic here might offer you a much better sense of the sensor sizes in the A7S and A6400.

As you can tell, both cameras have different resolutions and different sensor measurements. The A7S because of its larger sensor will make getting shallow depth of field simpler and the Sony A6400 will produce greater detail having its extra 12MP. Greater resolution will also enable you to crop images a bit more aggressively. The older A7S will be behind in sensor technology.