Pentax K100D S vs Sony RX10

Below is a comprehensive analysis of the Pentax K100D S versus Sony RX10, former being a Entry-Level DSLR while the other is a Large Sensor Superzoom by rivals Pentax and Sony. There exists a large gap between the sensor resolutions of the K100D S (6MP) and RX10 (20MP) and the K100D S (APS-C) and RX10 (1") come with different sensor sizes.

Photography Glossary

The K100D S was revealed 7 years before the RX10 and that is quite a serious difference as far as technology is concerned. Each of these cameras offer different body type with the Pentax K100D S being a Compact SLR camera and the Sony RX10 being a SLR-like (bridge) camera.

Before diving in to a step-by-step comparison, below is a short introduction of how the K100D S matches up vs the RX10 with regards to portability, imaging, features and an overall grade.

This is a sample of the gallery pictures for Pentax K100D Super & Sony Cyber-shot DSC-RX10. The full galleries are available at Pentax K100D S Gallery & Sony RX10 Gallery.

For anybody who is aiming to lug around your camera frequently, you need to take into account its weight and dimensions. The Pentax K100D S comes with external measurements of 129mm x 91mm x 71mm (5.1" x 3.6" x 2.8") and a weight of 646 grams (1.42 lbs) while the Sony RX10 has dimensions of 129mm x 88mm x 102mm (5.1" x 3.5" x 4.0") and a weight of 813 grams (1.79 lbs).

Check the Pentax K100D S versus Sony RX10 in our newest Camera plus Lens Size Comparison Tool.

Bear in mind, the weight of an ILC will change based on the lens you are working with during that time. Following is the front view measurements comparison of the K100D S compared to the RX10.

Using dimensions and weight, the portability grade of the K100D S and RX10 is 65 and 58 respectively.

Quite often, its tough to picture the difference between sensor measurements purely by checking technical specs. The photograph below might give you a stronger sense of the sensor measurements in the K100D S and RX10.

As you can tell, each of these cameras offer different megapixel count and different sensor measurements. The K100D S with its larger sensor is going to make getting bokeh simpler and the Sony RX10 will resolve more detail because of its extra 14MP. Greater resolution will make it easier to crop images a little more aggressively. The older K100D S is going to be behind when it comes to sensor technology.