Pentax 645D vs Sony A6400

Lets look closer at the Pentax 645D and Sony A6400, one is a Pro DSLR and the other is a Advanced Mirrorless by manufacturers Pentax and Sony. There exists a crucial gap between the resolutions of the 645D (40MP) and A6400 (24MP) and the 645D (Medium format) and A6400 (APS-C) come with totally different sensor sizing.

Photography Glossary

The 645D was brought out 9 years earlier than the A6400 which is quite a serious gap as far as technology is concerned. Both cameras come with different body type with the Pentax 645D being a Large SLR camera and the Sony A6400 being a Rangefinder-style mirrorless camera.

Before delving straight into a more detailed comparison, below is a simple summation of how the 645D scores versus the A6400 in the way of portability, imaging, features and an overall mark.

Here is a sample of the gallery pictures for Pentax 645D and Sony Alpha a6400. The entire galleries are provided at Pentax 645D Gallery and Sony A6400 Gallery.

If you're intending to travel with your camera regularly, you will want to take into account its weight and measurements. The Pentax 645D comes with outside measurements of 156mm x 117mm x 119mm (6.1" x 4.6" x 4.7") along with a weight of 1480 grams (3.26 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).

Take a look at the Pentax 645D and Sony A6400 in the new Camera and Lens Size Comparison Tool.

Do not forget, the weight of an Interchangeable Lens Camera will vary depending on the lens you are employing at the time. Underneath is the front view measurements comparison of the 645D against the A6400.

Considering dimensions and weight, the portability grade of the 645D and A6400 is 50 and 83 respectively.

Normally, it is very hard to see the contrast between sensor dimensions only by reviewing technical specs. The pic here might offer you a stronger sense of the sensor measurements in the 645D and A6400.

As you have seen, both the cameras have got different megapixel count and different sensor dimensions. The 645D due to its larger sensor will make getting bokeh simpler and the Pentax 645D will deliver more detail having its extra 16MP. Greater resolution can also let you crop photos much more aggressively. The more aged 645D is going to be behind with regard to sensor innovation.