Sony A7R II vs Sony A6400

Here is a thorough review of the Sony A7R II versus Sony A6400, former being a Pro Mirrorless while the latter is a Advanced Mirrorless and they are both built by Sony. There is a noticeable difference among the resolutions of the A7R II (42MP) and A6400 (24MP) and the A7R II (Full frame) and A6400 (APS-C) have totally different sensor sizes.

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The A7R II was released 4 years before the A6400 and that is a fairly sizable difference as far as camera tech is concerned. Both of these cameras feature different body design with the Sony A7R II being a SLR-style mirrorless camera and the Sony A6400 being a Rangefinder-style mirrorless camera.

Before going into a more detailed comparison, here is a brief summation of how the A7R II matches up versus the A6400 in the way of portability, imaging, features and an overall rating.

Following is a preview of the gallery photos for Sony Alpha A7R II & Sony Alpha a6400. The complete galleries are provided at Sony A7R II Gallery & Sony A6400 Gallery.

When you are planning to carry your camera often, you will need to factor in its weight and volume. The Sony A7R II provides external dimensions of 127mm x 96mm x 60mm (5.0" x 3.8" x 2.4") and a weight of 625 grams (1.38 lbs) whilst the Sony A6400 has sizing of 120mm x 67mm x 50mm (4.7" x 2.6" x 2.0") with a weight of 403 grams (0.89 lbs).

Take a look at the Sony A7R II versus Sony A6400 in our completely new Camera plus Lens Size Comparison Tool.

Don't forget, the weight of an ILC will vary dependant on the lens you select at that moment. Below is a front view dimension comparison of the A7R II and the A6400.

Taking into account size and weight, the portability rating of the A7R II and A6400 is 68 and 83 respectively.

Usually, it can be difficult to visualise the difference in sensor sizing just by researching specifications. The visual below should provide you a clearer sense of the sensor sizes in the A7R II and A6400.

Plainly, the 2 cameras feature different megapixels and different sensor sizing. The A7R II because of its bigger sensor will make achieving shallower DOF simpler and the Sony A7R II will render extra detail as a result of its extra 18MP. Higher resolution will allow you to crop pictures way more aggressively. The older A7R II will be disadvantaged when it comes to sensor tech.