Pentax K-S1 vs Sony RX10

In this write-up, we will be comparing the Pentax K-S1 versus Sony RX10, former being a Advanced DSLR while the latter is a Large Sensor Superzoom by brands Pentax and Sony. The sensor resolution of the K-S1 (20MP) and the RX10 (20MP) is pretty well matched but the K-S1 (APS-C) and RX10 (1") use totally different sensor size.

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The K-S1 was introduced 6 months later than the RX10 and they are both of a similar age. Each of the cameras offer different body type with the Pentax K-S1 being a Mid-size SLR camera and the Sony RX10 being a SLR-like (bridge) camera.

Before diving in to a step-by-step comparison, below is a concise summary of how the K-S1 scores vs the RX10 when it comes to portability, imaging, features and an overall grade.

Below is a preview of the gallery images for Pentax K-S1 & Sony Cyber-shot DSC-RX10. The whole galleries are available at Pentax K-S1 Gallery & Sony RX10 Gallery.

If you're going to lug around your camera, you'll need to think about its weight and dimensions. The Pentax K-S1 has outer measurements of 121mm x 93mm x 70mm (4.8" x 3.7" x 2.8") having a weight of 558 grams (1.23 lbs) while the Sony RX10 has dimensions of 129mm x 88mm x 102mm (5.1" x 3.5" x 4.0") having a weight of 813 grams (1.79 lbs).

Take a look at the Pentax K-S1 versus Sony RX10 in our brand new Camera & Lens Size Comparison Tool.

Always remember, the weight of an ILC will vary based on the lens you are utilising at that moment. Underneath is the front view size comparison of the K-S1 compared to the RX10.

Factoring in dimensions and weight, the portability score of the K-S1 and RX10 is 69 and 58 respectively.

Typically, its hard to envision the difference between sensor measurements merely by checking specifications. The graphic below will help give you a stronger sense of the sensor sizing in the K-S1 and RX10.

To sum up, both of these cameras offer the same exact megapixels albeit not the same sensor measurements. The K-S1 has the bigger sensor which is going to make achieving shallow DOF easier.