Pentax RZ18 vs Sony RX100 II

Below is a comprehensive analysis of the Pentax RZ18 versus Sony RX100 II, former being a Small Sensor Superzoom while the other is a Large Sensor Compact by manufacturers Pentax and Sony. The resolution of the RZ18 (16MP) and the RX100 II (20MP) is fairly similar but the RZ18 (1/2.3") and RX100 II (1") provide different sensor dimensions.

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The RZ18 was announced 21 months prior to the RX100 II making them a generation apart from one another. Both of the cameras feature different body design with the Pentax RZ18 being a Compact camera and the Sony RX100 II being a Large Sensor Compact camera.

Before we go right into a step-by-step comparison, here is a quick summation of how the RZ18 matches up versus the RX100 II in regards to portability, imaging, features and an overall grade.

The following is a sample of the gallery pictures for Pentax Optio RZ18 & Sony Cyber-shot DSC-RX100 II. The whole galleries are viewable at Pentax RZ18 Gallery & Sony RX100 II Gallery.

If you're going to lug around your camera frequently, you will want to factor in its weight and size. The Pentax RZ18 provides external measurements of 97mm x 61mm x 33mm (3.8" x 2.4" x 1.3") and a weight of 178 grams (0.39 lbs) whilst the Sony RX100 II has specifications of 102mm x 58mm x 38mm (4.0" x 2.3" x 1.5") accompanied by a weight of 281 grams (0.62 lbs).

Contrast the Pentax RZ18 versus Sony RX100 II in our completely new Camera & Lens Size Comparison Tool.

Remember that, the weight of an ILC will differ dependant on the lens you have chosen during that time. Here is a front view sizing comparison of the RZ18 compared to the RX100 II.

Taking into account dimensions and weight, the portability score of the RZ18 and RX100 II is 92 and 89 respectively.

Typically, it is hard to imagine the contrast between sensor measurements only by reviewing a spec sheet. The graphic below will help offer you a more clear sense of the sensor sizing in the RZ18 and RX100 II.

As you can see, both the cameras come with different megapixels and different sensor measurements. The RZ18 using its tinier sensor is going to make shooting shallower DOF more challenging and the Sony RX100 II will deliver greater detail with its extra 4MP. Greater resolution will also let you crop pics a good deal more aggressively. The older RZ18 is going to be disadvantaged when it comes to sensor technology.