Pentax 645Z vs Sony HX7V

In this article, we are looking at the Pentax 645Z versus Sony HX7V, former being a Pro DSLR while the other is a Small Sensor Compact by brands Pentax and Sony. There exists a large gap among the sensor resolutions of the 645Z (51MP) and HX7V (16MP) and the 645Z (Medium format) and HX7V (1/2.3") enjoy different sensor size.

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The 645Z was revealed 2 years later than the HX7V and that is a fairly serious difference as far as camera technology is concerned. Both of the cameras offer different body type with the Pentax 645Z being a Large SLR camera and the Sony HX7V being a Compact camera.

Before diving through a thorough comparison, below is a concise summation of how the 645Z matches up against the HX7V in regards to portability, imaging, features and an overall rating.

This is a sample of the gallery pics for Pentax 645Z & Sony Cyber-shot DSC-HX7V. The full galleries are viewable at Pentax 645Z Gallery & Sony HX7V Gallery.

In case you're going to carry your camera often, you will want to think about its weight and size. The Pentax 645Z features external measurements of 156mm x 117mm x 123mm (6.1" x 4.6" x 4.8") along with a weight of 1550 grams (3.42 lbs) whilst the Sony HX7V has specifications of 102mm x 58mm x 29mm (4.0" x 2.3" x 1.1") and a weight of 208 grams (0.46 lbs).

Compare the Pentax 645Z versus Sony HX7V in our brand new Camera plus Lens Size Comparison Tool.

Remember that, the weight of an ILC will differ depending on the lens you use at that time. Below is the front view measurements comparison of the 645Z and the HX7V.

Factoring in dimensions and weight, the portability rating of the 645Z and HX7V is 49 and 92 respectively.

Typically, it can be difficult to visualize the gap in sensor sizing just by seeing specs. The graphic below might offer you a much better sense of the sensor sizing in the 645Z and HX7V.

As you can plainly see, each of the cameras offer different megapixels and different sensor sizing. The 645Z with its larger sensor is going to make shooting bokeh easier and the Pentax 645Z will show greater detail because of its extra 35 Megapixels. Greater resolution will also enable you to crop pics a little more aggressively. The younger 645Z should have an advantage with regard to sensor tech.