Pentax 645D vs Sony QX1

Following is a extended overview of the Pentax 645D and Sony QX1, former is a Pro DSLR while the other is a Lens-style by rivals Pentax and Sony. There exists a sizable gap between the sensor resolutions of the 645D (40MP) and QX1 (20MP) and the 645D (Medium format) and QX1 (APS-C) posses totally different sensor dimensions.

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The 645D was introduced 5 years before the QX1 which is quite a significant difference as far as technology is concerned. Both the cameras feature different body design with the Pentax 645D being a Large SLR camera and the Sony QX1 being a Lens-style camera.

Before going right into a more detailed comparison, here is a concise overview of how the 645D grades vs the QX1 when it comes to portability, imaging, features and an overall score.

The following is a sample of the gallery pics for Pentax 645D & Sony Alpha QX1. The whole galleries are available at Pentax 645D Gallery & Sony QX1 Gallery.

For anybody who is looking to carry around your camera frequently, you will have to factor its weight and proportions. The Pentax 645D offers outside dimensions of 156mm x 117mm x 119mm (6.1" x 4.6" x 4.7") having a weight of 1480 grams (3.26 lbs) while the Sony QX1 has measurements of 74mm x 70mm x 53mm (2.9" x 2.8" x 2.1") along with a weight of 216 grams (0.48 lbs).

Compare the Pentax 645D and Sony QX1 in our newest Camera plus Lens Size Comparison Tool.

Do not forget, the weight of an ILC will vary depending on the lens you are using at the time. Below is a front view dimension comparison of the 645D and the QX1.

Factoring in dimensions and weight, the portability grade of the 645D and QX1 is 50 and 90 respectively.

Sometimes, it is difficult to see the difference between sensor sizes only by going over a spec sheet. The image underneath will help give you a greater sense of the sensor sizes in the 645D and QX1.

As you can see, both cameras feature different megapixel count and different sensor sizes. The 645D having a larger sensor will make getting shallower depth of field simpler and the Pentax 645D will deliver greater detail using its extra 20MP. Greater resolution will also make it easier to crop photos way more aggressively. The more aged 645D is going to be disadvantaged with regard to sensor tech.