Pentax 645D vs Sony W830

Here, we will be looking at the Pentax 645D and Sony W830, former being a Pro DSLR while the latter is a Ultracompact by manufacturers Pentax and Sony. There exists a large gap between the resolutions of the 645D (40MP) and W830 (20MP) and the 645D (Medium format) and W830 (1/2.3") provide totally different sensor measurements.

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The 645D was revealed 4 years before the W830 and that is quite a serious difference as far as technology is concerned. The two cameras feature different body design with the Pentax 645D being a Large SLR camera and the Sony W830 being a Ultracompact camera.

Before going straight to a in-depth comparison, here is a simple synopsis of how the 645D matches up vs the W830 when it comes to portability, imaging, features and an overall grade.

This is a preview of the gallery images for Pentax 645D & Sony Cyber-shot DSC-W830. The full galleries are viewable at Pentax 645D Gallery & Sony W830 Gallery.

For anyone who is aiming to lug around your camera regularly, you're going to have to take into account its weight and measurements. The Pentax 645D features outer 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 W830 has proportions of 93mm x 52mm x 23mm (3.7" x 2.0" x 0.9") with a weight of 122 grams (0.27 lbs).

Contrast the Pentax 645D and Sony W830 in our completely new Camera plus Lens Size Comparison Tool.

Take into account, the weight of an ILC will vary based on the lens you have chosen at the time. The following is a front view scale comparison of the 645D versus the W830.

Looking at dimensions and weight, the portability score of the 645D and W830 is 50 and 96 respectively.

Sometimes, its hard to visualise the difference between sensor measurements simply by reading through technical specs. The visual below will help provide you a more clear sense of the sensor measurements in the 645D and W830.

As you can tell, each of these cameras feature different megapixel count and different sensor measurements. The 645D having a bigger sensor will make shooting shallow DOF easier and the Pentax 645D will give you more detail because of its extra 20 Megapixels. Higher resolution can also enable you to crop shots way more aggressively. The older 645D is going to be behind when it comes to sensor technology.