Pentax 645Z vs Sony W620

Here, we are matching up the Pentax 645Z and Sony W620, one being a Pro DSLR and the other is a Small Sensor Compact by rivals Pentax and Sony. There is a sizeable difference between the resolutions of the 645Z (51MP) and W620 (14MP) and the 645Z (Medium format) and W620 (1/2.3") have different sensor sizes.

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The 645Z was launched 2 years later than the W620 and that is quite a large gap as far as tech is concerned. Both of the cameras feature different body design with the Pentax 645Z being a Large SLR camera and the Sony W620 being a Compact camera.

Before diving into a step-by-step comparison, here is a quick synopsis of how the 645Z grades versus the W620 in the way of portability, imaging, features and an overall rating.

The following is a sample of the gallery pics for Pentax 645Z and Sony Cyber-shot DSC-W620. The complete galleries are available at Pentax 645Z Gallery and Sony W620 Gallery.

In case you're intending to carry your camera often, you are going to need to factor in its weight and proportions. The Pentax 645Z provides outside measurements of 156mm x 117mm x 123mm (6.1" x 4.6" x 4.8") accompanied by a weight of 1550 grams (3.42 lbs) and the Sony W620 has measurements of 98mm x 56mm x 20mm (3.9" x 2.2" x 0.8") having a weight of 116 grams (0.26 lbs).

Take a look at the Pentax 645Z and Sony W620 in the latest Camera and Lens Size Comparison Tool.

Don't forget, the weight of an Interchangeable Lens Camera will vary based on the lens you have chosen at the time. Below is a front view proportions comparison of the 645Z against the W620.

Considering size and weight, the portability rating of the 645Z and W620 is 49 and 96 respectively.

Generally, it is hard to visualize the difference between sensor sizing just by checking specs. The photograph here will offer you a far better sense of the sensor sizing in the 645Z and W620.

As you can plainly see, the 2 cameras come with different megapixels and different sensor sizing. The 645Z because of its larger sensor is going to make shooting shallow depth of field simpler and the Pentax 645Z will give more detail utilizing its extra 37MP. Greater resolution can also make it easier to crop images a good deal more aggressively. The newer 645Z should have a benefit in sensor tech.