Pentax 645D vs Sony W330

The following is a detailed analysis of the Pentax 645D vs Sony W330, one is a Pro DSLR and the other is a Ultracompact by rivals Pentax and Sony. There exists a big gap among the image resolutions of the 645D (40MP) and W330 (14MP) and the 645D (Medium format) and W330 (1/2.3") posses different sensor sizes.

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The 645D was unveiled 3 months after the W330 so they are of a similar generation. Both cameras have different body design with the Pentax 645D being a Large SLR camera and the Sony W330 being a Ultracompact camera.

Before getting straight to a step-by-step comparison, here is a short view of how the 645D matches up against the W330 when considering portability, imaging, features and an overall mark.

The following is a sample of the gallery pics for Pentax 645D and Sony Cyber-shot DSC-W330. The full galleries are available at Pentax 645D Gallery and Sony W330 Gallery.

For anyone who is intending to travel with your camera regularly, you're going to have to consider its weight and size. The Pentax 645D features outside measurements of 156mm x 117mm x 119mm (6.1" x 4.6" x 4.7") with a weight of 1480 grams (3.26 lbs) while the Sony W330 has specifications of 96mm x 57mm x 17mm (3.8" x 2.2" x 0.7") having a weight of 128 grams (0.28 lbs).

Check the Pentax 645D vs Sony W330 in the new Camera and Lens Size Comparison Tool.

Keep in mind, the weight of an Interchangeable Lens Camera will differ based on the lens you have at the time. Below is a front view physical size comparison of the 645D versus the W330.

Taking into account dimensions and weight, the portability grade of the 645D and W330 is 50 and 96 respectively.

Typically, its hard to picture the difference in sensor dimensions only by going through technical specs. The picture below will provide you a clearer sense of the sensor sizing in the 645D and W330.

As you can tell, both of the cameras have different megapixel count and different sensor dimensions. The 645D with its larger sensor is going to make achieving shallower depth of field simpler and the Pentax 645D will produce more detail having an extra 26MP. Greater resolution can also make it easier to crop images a bit more aggressively.