Pentax K-3 vs Sony RX100 III

On this page, we will be contrasting the Pentax K-3 vs Sony RX100 III, former is a Advanced DSLR while the latter is a Large Sensor Compact by companies Pentax and Sony. The image resolution of the K-3 (24MP) and the RX100 III (20MP) is pretty well matched but the K-3 (APS-C) and RX100 III (1") posses different sensor size.

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The K-3 was unveiled very close to the RX100 III and they are of a similar age. Each of the cameras have different body design with the Pentax K-3 being a Mid-size SLR camera and the Sony RX100 III being a Large Sensor Compact camera.

Before going straight to a complete comparison, here is a brief summation of how the K-3 matches up against the RX100 III with regard to portability, imaging, features and an overall score.

This is a preview of the gallery images for Pentax K-3 & Sony Cyber-shot DSC-RX100 III. The full galleries are provided at Pentax K-3 Gallery & Sony RX100 III Gallery.

For anyone who is aiming to carry around your camera often, you will need to factor in its weight and size. The Pentax K-3 enjoys physical dimensions of 131mm x 100mm x 77mm (5.2" x 3.9" x 3.0") with a weight of 800 grams (1.76 lbs) while the Sony RX100 III has specifications of 102mm x 58mm x 41mm (4.0" x 2.3" x 1.6") with a weight of 290 grams (0.64 lbs).

Look at the Pentax K-3 vs Sony RX100 III in our brand new Camera & Lens Size Comparison Tool.

Take into account, the weight of an ILC will differ dependant on the lens you choose at the time. The following is a front view measurement comparison of the K-3 vs the RX100 III.

Considering dimensions and weight, the portability rating of the K-3 and RX100 III is 59 and 89 respectively.

Quite often, it can be hard to picture the gap between sensor sizes purely by reading through a spec sheet. The pic here might give you a clearer sense of the sensor dimensions in the K-3 and RX100 III.

As you can see, both cameras have different megapixel count and different sensor sizes. The K-3 using its bigger sensor is going to make getting shallower DOF simpler and the Pentax K-3 will give you more detail having an extra 4MP. Higher resolution can also make it easier to crop pictures a bit more aggressively.