Sony A7 II vs Sony A6400

The following is a extensive review of the Sony A7 II and Sony A6400, former is a Pro Mirrorless while the latter is a Advanced Mirrorless and they are both produced by Sony. The resolution of the A7 II (24MP) and the A6400 (24MP) is pretty comparable but the A7 II (Full frame) and A6400 (APS-C) feature different sensor sizes.

Pentax 17 Pre-Orders Outperform Expectations by a Landslide

The A7 II was revealed 5 years before the A6400 which is a fairly big difference as far as camera technology is concerned. Both cameras offer different body type with the Sony A7 II being a SLR-style mirrorless camera and the Sony A6400 being a Rangefinder-style mirrorless camera.

Before diving through a in-depth comparison, below is a concise overview of how the A7 II matches up against the A6400 when it comes to portability, imaging, features and an overall mark.

Here is a preview of the gallery images for Sony Alpha A7 II & Sony Alpha a6400. The full galleries are viewable at Sony A7 II Gallery & Sony A6400 Gallery.

For those who are intending to travel with your camera, you have to think about its weight and proportions. The Sony A7 II has outer measurements of 127mm x 96mm x 60mm (5.0" x 3.8" x 2.4") along with a weight of 599 grams (1.32 lbs) while the Sony A6400 has measurements of 120mm x 67mm x 50mm (4.7" x 2.6" x 2.0") with a weight of 403 grams (0.89 lbs).

Check the Sony A7 II and Sony A6400 in our brand new Camera plus Lens Size Comparison Tool.

Take into consideration, the weight of an ILC will change depending on the lens you are utilising at the time. The following is the front view over all size comparison of the A7 II compared to the A6400.

Taking into account dimensions and weight, the portability grade of the A7 II and A6400 is 69 and 83 respectively.

Typically, it is very hard to imagine the gap in sensor dimensions just by going through a spec sheet. The pic below will help give you a better sense of the sensor sizing in the A7 II and A6400.

As you can see, the 2 cameras offer the same exact megapixels albeit different sensor dimensions. The A7 II provides the bigger sensor which will make obtaining shallow depth of field easier. The more aged A7 II will be disadvantaged when it comes to sensor innovation.