Pentax K-01 vs Sony RX100 III

On this page, we are evaluating the Pentax K-01 and Sony RX100 III, former is a Entry-Level Mirrorless while the other is a Large Sensor Compact by competitors Pentax and Sony. The image resolution of the K-01 (16MP) and the RX100 III (20MP) is fairly well matched but the K-01 (APS-C) and RX100 III (1") offer different sensor dimensions.

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The K-01 was introduced 23 months prior to the RX100 III making them a generation away from each other. Both cameras have different body design with the Pentax K-01 being a SLR-style mirrorless camera and the Sony RX100 III being a Large Sensor Compact camera.

Before diving right into a more detailed comparison, here is a brief highlight of how the K-01 matches up vs the RX100 III when considering portability, imaging, features and an overall mark.

Following is a sample of the gallery pictures for Pentax K-01 & Sony Cyber-shot DSC-RX100 III. The whole galleries are available at Pentax K-01 Gallery & Sony RX100 III Gallery.

For anybody who is intending to travel with your camera often, you'll need to consider its weight and dimensions. The Pentax K-01 has got outside measurements of 122mm x 79mm x 58mm (4.8" x 3.1" x 2.3") along with a weight of 561 grams (1.24 lbs) and the Sony RX100 III has dimensions of 102mm x 58mm x 41mm (4.0" x 2.3" x 1.6") having a weight of 290 grams (0.64 lbs).

Check out the Pentax K-01 and Sony RX100 III in our newest Camera plus Lens Size Comparison Tool.

Take into consideration, the weight of an ILC will vary depending on the lens you have at the time. The following is a front view overall size comparison of the K-01 versus the RX100 III.

Using size and weight, the portability score of the K-01 and RX100 III is 76 and 89 respectively.

Often, it's tough to imagine the contrast between sensor dimensions merely by checking specifications. The pic below will give you a more clear sense of the sensor sizing in the K-01 and RX100 III.

Plainly, both cameras have different megapixel count and different sensor dimensions. The K-01 having a larger sensor is going to make getting bokeh easier and the Sony RX100 III will resolve greater detail using its extra 4MP. Greater resolution can also enable you to crop images a bit more aggressively. The more aged K-01 is going to be disadvantaged in sensor innovation.