Pentax S1 vs Sony RX100 III

Here, we will be contrasting the Pentax S1 vs Sony RX100 III, former being a Small Sensor Compact while the latter is a Large Sensor Compact by competitors Pentax and Sony. There exists a substantial gap among the sensor resolutions of the S1 (14MP) and RX100 III (20MP) and the S1 (1/2.3") and RX100 III (1") posses totally different sensor size.

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The S1 was launched 4 years prior to the RX100 III and that is a fairly big difference as far as camera technology is concerned. Each of these cameras feature different body design with the Pentax S1 being a Compact camera and the Sony RX100 III being a Large Sensor Compact camera.

Before we go right into a complete comparison, here is a quick highlight of how the S1 scores against the RX100 III in relation to portability, imaging, features and an overall rating.

Following is a preview of the gallery photos for Pentax Optio S1 & Sony Cyber-shot DSC-RX100 III. The complete galleries are available at Pentax S1 Gallery & Sony RX100 III Gallery.

For anyone who is aiming to carry your camera, you'll have to factor its weight and dimensions. The Pentax S1 offers outer dimensions of 114mm x 58mm x 28mm (4.5" x 2.3" x 1.1") along with a weight of 157 grams (0.35 lbs) whilst the Sony RX100 III has dimensions of 102mm x 58mm x 41mm (4.0" x 2.3" x 1.6") with a weight of 290 grams (0.64 lbs).

Check out the Pentax S1 vs Sony RX100 III in our brand new Camera & Lens Size Comparison Tool.

Don't forget, the weight of an ILC will change dependant on the lens you have during that time. The following is a front view over all size comparison of the S1 and the RX100 III.

Considering dimensions and weight, the portability rating of the S1 and RX100 III is 93 and 89 respectively.

More often than not, it is very hard to envision the difference in sensor sizing purely by seeing specs. The photograph here will offer you a much better sense of the sensor dimensions in the S1 and RX100 III.

All in all, each of the cameras come with different megapixels and different sensor sizing. The S1 because of its smaller sensor will make getting shallow depth of field trickier and the Sony RX100 III will provide extra detail utilizing its extra 6 Megapixels. Higher resolution will let you crop pictures a good deal more aggressively. The older S1 will be behind with regard to sensor technology.