Pentax K-7 vs Sony RX100 III

Here, we are looking at the Pentax K-7 vs Sony RX100 III, one being a Advanced DSLR and the other is a Large Sensor Compact by competitors Pentax and Sony. There is a huge difference among the sensor resolutions of the K-7 (15MP) and RX100 III (20MP) and the K-7 (APS-C) and RX100 III (1") boast totally different sensor size.

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The K-7 was brought out 5 years prior to the RX100 III and that is a fairly significant gap as far as camera tech is concerned. The two cameras feature different body design with the Pentax K-7 being a Mid-size SLR camera and the Sony RX100 III being a Large Sensor Compact camera.

Before we go into a step-by-step comparison, here is a quick view of how the K-7 grades versus the RX100 III in terms of portability, imaging, features and an overall rating.

The following is a sample of the gallery pics for Pentax K-7 and Sony Cyber-shot DSC-RX100 III. The entire galleries are provided at Pentax K-7 Gallery and Sony RX100 III Gallery.

When you are looking to carry your camera often, you'll have to factor its weight and size. The Pentax K-7 provides outside measurements of 131mm x 97mm x 73mm (5.2" x 3.8" x 2.9") having a weight of 750 grams (1.65 lbs) and the Sony RX100 III has specifications of 102mm x 58mm x 41mm (4.0" x 2.3" x 1.6") accompanied by a weight of 290 grams (0.64 lbs).

Check out the Pentax K-7 vs Sony RX100 III in the all new Camera and Lens Size Comparison Tool.

Keep in mind, the weight of an Interchangeable Lens Camera will change depending on the lens you select during that time. Here is a front view overall size comparison of the K-7 versus the RX100 III.

Using size and weight, the portability grade of the K-7 and RX100 III is 60 and 89 respectively.

Usually, its tough to visualise the contrast in sensor sizing merely by researching technical specs. The graphic underneath should offer you a more clear sense of the sensor sizing in the K-7 and RX100 III.

As you have seen, each of these cameras feature different megapixels and different sensor sizing. The K-7 featuring a larger sensor will make shooting shallower DOF less difficult and the Sony RX100 III will render greater detail having its extra 5 Megapixels. Greater resolution will let you crop pics way more aggressively. The older K-7 will be disadvantaged when it comes to sensor technology.