Pentax K-x vs Sony QX100

On this page, we are reviewing the Pentax K-x versus Sony QX100, one is a Entry-Level DSLR and the other is a Lens-style by brands Pentax and Sony. There is a big difference among the resolutions of the K-x (12MP) and QX100 (20MP) and the K-x (APS-C) and QX100 (1") offer totally different sensor measurements.

Photography Glossary

The K-x was announced 4 years prior to the QX100 which is a fairly big gap as far as camera tech is concerned. Both the cameras have different body design with the Pentax K-x being a Compact SLR camera and the Sony QX100 being a Lens-style camera.

Before diving straight to a full comparison, here is a short overview of how the K-x grades vs the QX100 in the way of portability, imaging, features and an overall mark.

Here is a sample of the gallery pictures for Pentax K-x and Sony Cyber-shot DSC-QX100. The whole galleries are provided at Pentax K-x Gallery and Sony QX100 Gallery.

If you're planning to travel with your camera often, you have to consider its weight and measurements. The Pentax K-x comes with exterior dimensions of 123mm x 92mm x 68mm (4.8" x 3.6" x 2.7") with a weight of 580 grams (1.28 lbs) whilst the Sony QX100 has proportions of 63mm x 63mm x 56mm (2.5" x 2.5" x 2.2") accompanied by a weight of 179 grams (0.39 lbs).

Examine the Pentax K-x versus Sony QX100 in the new Camera and Lens Size Comparison Tool.

Keep in mind, the weight of an Interchangeable Lens Camera will change dependant on the lens you use at the time. Below is a front view measurement comparison of the K-x against the QX100.

Taking into account size and weight, the portability score of the K-x and QX100 is 69 and 92 respectively.

Oftentimes, it is very hard to envision the difference in sensor dimensions just by checking out specs. The image here will help offer you a more clear sense of the sensor dimensions in the K-x and QX100.

All in all, the two cameras provide different megapixels and different sensor dimensions. The K-x using its larger sensor will make getting shallower depth of field simpler and the Sony QX100 will show greater detail with its extra 8MP. Greater resolution will also help you crop photos more aggressively. The more aged K-x will be disadvantaged with regard to sensor innovation.