Pentax VS20 vs Sony RX100 III

Its time to look more closely at the Pentax VS20 vs Sony RX100 III, former being a Small Sensor Superzoom while the latter is a Large Sensor Compact by companies Pentax and Sony. The sensor resolution of the VS20 (16MP) and the RX100 III (20MP) is pretty similar but the VS20 (1/2.3") and RX100 III (1") boast totally different sensor size.

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The VS20 was announced 3 years before the RX100 III and that is quite a sizable difference as far as tech is concerned. Both of these cameras feature different body design with the Pentax VS20 being a Compact camera and the Sony RX100 III being a Large Sensor Compact camera.

Before diving straight to a thorough comparison, here is a short summary of how the VS20 scores versus the RX100 III when it comes to portability, imaging, features and an overall grade.

Here is a preview of the gallery images for Pentax Optio VS20 & Sony Cyber-shot DSC-RX100 III. The whole galleries are viewable at Pentax VS20 Gallery & Sony RX100 III Gallery.

In case you're going to lug around your camera, you have to take into account its weight and proportions. The Pentax VS20 comes with physical dimensions of 111mm x 61mm x 38mm (4.4" x 2.4" x 1.5") and a weight of 235 grams (0.52 lbs) whilst the Sony RX100 III has measurements of 102mm x 58mm x 41mm (4.0" x 2.3" x 1.6") along with a weight of 290 grams (0.64 lbs).

Contrast the Pentax VS20 vs Sony RX100 III in our brand new Camera & Lens Size Comparison Tool.

Remember that, the weight of an ILC will vary based on the lens you are utilising at the time. The following is a front view proportions comparison of the VS20 compared to the RX100 III.

Taking into account size and weight, the portability grade of the VS20 and RX100 III is 90 and 89 respectively.

Usually, it is difficult to envision the difference between sensor measurements purely by reviewing specs. The photograph below will offer you a more clear sense of the sensor dimensions in the VS20 and RX100 III.

As you can plainly see, both of those cameras come with different resolutions and different sensor measurements. The VS20 having a tinier sensor will make shooting bokeh tougher and the Sony RX100 III will deliver more detail with its extra 4MP. Higher resolution will also allow you to crop photographs a good deal more aggressively. The older VS20 is going to be behind with regard to sensor tech.