Pentax K-r vs Sony RX100 III

In this write-up, we are reviewing the Pentax K-r and Sony RX100 III, one is a Entry-Level DSLR and the other is a Large Sensor Compact by companies Pentax and Sony. There exists a huge gap between the sensor resolutions of the K-r (12MP) and RX100 III (20MP) and the K-r (APS-C) and RX100 III (1") possess totally different sensor sizing.

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The K-r was announced 4 years prior to the RX100 III which is quite a significant gap as far as technology is concerned. Both cameras offer different body type with the Pentax K-r being a Compact SLR camera and the Sony RX100 III being a Large Sensor Compact camera.

Before getting straight into a thorough comparison, below is a simple summation of how the K-r scores against the RX100 III with regards to portability, imaging, features and an overall score.

Following is a sample of the gallery pics for Pentax K-r and Sony Cyber-shot DSC-RX100 III. The whole galleries are available at Pentax K-r Gallery and Sony RX100 III Gallery.

If you are going to carry around your camera frequently, you're going to have to factor its weight and proportions. The Pentax K-r comes with external dimensions of 125mm x 97mm x 68mm (4.9" x 3.8" x 2.7") with a weight of 598 grams (1.32 lbs) while the Sony RX100 III has measurements of 102mm x 58mm x 41mm (4.0" x 2.3" x 1.6") having a weight of 290 grams (0.64 lbs).

Look at the Pentax K-r and Sony RX100 III in the latest Camera and Lens Size Comparison Tool.

Don't forget, the weight of an Interchangeable Lens Camera will differ depending on the lens you choose during that time. Below is the front view measurement comparison of the K-r compared to the RX100 III.

Taking into consideration dimensions and weight, the portability grade of the K-r and RX100 III is 67 and 89 respectively.

Sometimes, it is very difficult to envision the gap between sensor sizes merely by reading through a spec sheet. The image here may provide you a clearer sense of the sensor dimensions in the K-r and RX100 III.

Clearly, each of these cameras enjoy different megapixel count and different sensor sizes. The K-r using its larger sensor will make getting shallower depth of field simpler and the Sony RX100 III will give you extra detail with its extra 8MP. Greater resolution will also make it easier to crop images far more aggressively. The more aged K-r is going to be disadvantaged with regard to sensor innovation.