Pentax H90 vs Sony RX100 III

On this page, we will be analyzing the Pentax H90 vs Sony RX100 III, one being a Small Sensor Compact and the latter is a Large Sensor Compact by brands Pentax and Sony. There is a big difference among the resolutions of the H90 (12MP) and RX100 III (20MP) and the H90 (1/2.3") and RX100 III (1") posses different sensor measurements.

Photography Glossary

The H90 was launched 5 years before the RX100 III and that is a fairly big gap as far as camera tech is concerned. Both the cameras have different body design with the Pentax H90 being a Compact camera and the Sony RX100 III being a Large Sensor Compact camera.

Before we go into a complete comparison, here is a simple summary of how the H90 scores versus the RX100 III in the way of portability, imaging, features and an overall rating.

Following is a preview of the gallery images for Pentax Optio H90 and Sony Cyber-shot DSC-RX100 III. The complete galleries are viewable at Pentax H90 Gallery and Sony RX100 III Gallery.

For anyone who is going to carry your camera regularly, you will want to take into account its weight and size. The Pentax H90 features outside measurements of 101mm x 65mm x 28mm (4.0" x 2.6" x 1.1") accompanied by a weight of 153 grams (0.34 lbs) whilst the Sony RX100 III has specifications of 102mm x 58mm x 41mm (4.0" x 2.3" x 1.6") along with a weight of 290 grams (0.64 lbs).

See the Pentax H90 vs Sony RX100 III in the all new Camera with Lens Size Comparison Tool.

Take into account, the weight of an Interchangeable Lens Camera will differ based on the lens you select at that moment. Here is a front view sizing comparison of the H90 against the RX100 III.

Taking into account size and weight, the portability score of the H90 and RX100 III is 93 and 89 respectively.

In many cases, it is very tough to imagine the contrast in sensor sizing only by researching specs. The graphic here will give you a greater sense of the sensor sizing in the H90 and RX100 III.

As you can plainly see, the two cameras provide different resolutions and different sensor sizing. The H90 featuring a smaller sensor is going to make getting shallow DOF tougher and the Sony RX100 III will provide you with greater detail utilizing its extra 8MP. Higher resolution will also enable you to crop photographs more aggressively. The older H90 will be disadvantaged when it comes to sensor tech.