Pentax K100D vs Sony W310

On this page, we will be analyzing the Pentax K100D vs Sony W310, former being a Entry-Level DSLR while the latter is a Ultracompact by brands Pentax and Sony. There exists a sizable gap among the image resolutions of the K100D (6MP) and W310 (12MP) and the K100D (APS-C) and W310 (1/2.3") provide different sensor dimensions.

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The K100D was announced 4 years before the W310 and that is a fairly significant difference as far as camera technology is concerned. Both the cameras have different body design with the Pentax K100D being a Compact SLR camera and the Sony W310 being a Ultracompact camera.

Before getting straight to a thorough comparison, here is a concise summary of how the K100D matches up versus the W310 with respect to portability, imaging, features and an overall grade.

The following is a preview of the gallery images for Pentax K100D & Sony Cyber-shot DSC-W310. The whole galleries are viewable at Pentax K100D Gallery & Sony W310 Gallery.

For those who are intending to lug around your camera regularly, you'll have to think about its weight and measurements. The Pentax K100D provides exterior dimensions of 129mm x 93mm x 70mm (5.1" x 3.7" x 2.8") with a weight of 660 grams (1.46 lbs) and the Sony W310 has proportions of 95mm x 55mm x 19mm (3.7" x 2.2" x 0.7") and a weight of 137 grams (0.30 lbs).

Contrast the Pentax K100D vs Sony W310 in our newest Camera & Lens Size Comparison Tool.

Take into account, the weight of an ILC will change based on the lens you choose during that time. Following is a front view overall size comparison of the K100D against the W310.

Looking at dimensions and weight, the portability score of the K100D and W310 is 64 and 96 respectively.

Quite often, it's hard to picture the gap in sensor measurements simply by researching specifications. The photograph below should offer you a much better sense of the sensor sizes in the K100D and W310.

To sum up, both cameras have different megapixel count and different sensor measurements. The K100D having a bigger sensor is going to make getting shallow DOF easier and the Sony W310 will provide you with more detail with its extra 6MP. Higher resolution can also let you crop photographs a bit more aggressively. The older K100D will be behind when it comes to sensor innovation.