Pentax S1 vs Sony RX100 IV

In this write-up, we will be comparing the Pentax S1 and Sony RX100 IV, former is a Small Sensor Compact while the latter is a Large Sensor Compact by competitors Pentax and Sony. There exists a large gap between the image resolutions of the S1 (14MP) and RX100 IV (20MP) and the S1 (1/2.3") and RX100 IV (1") possess totally different sensor measurements.

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The S1 was unveiled 5 years prior to the RX100 IV which is quite a serious difference as far as technology is concerned. Both of these cameras offer different body type with the Pentax S1 being a Compact camera and the Sony RX100 IV being a Large Sensor Compact camera.

Before going through a comprehensive comparison, below is a concise highlight of how the S1 scores versus the RX100 IV with regard to portability, imaging, features and an overall mark.

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

When you are planning to travel with your camera frequently, you'll need to consider its weight and measurements. The Pentax S1 enjoys physical measurements of 114mm x 58mm x 28mm (4.5" x 2.3" x 1.1") along with a weight of 157 grams (0.35 lbs) and the Sony RX100 IV has proportions of 102mm x 58mm x 41mm (4.0" x 2.3" x 1.6") having a weight of 298 grams (0.66 lbs).

Analyze the Pentax S1 and Sony RX100 IV in our completely new Camera plus Lens Size Comparison Tool.

Keep in mind, the weight of an ILC will differ based on the lens you are employing at that moment. Following is the front view proportions comparison of the S1 and the RX100 IV.

Factoring in dimensions and weight, the portability score of the S1 and RX100 IV is 93 and 89 respectively.

More often than not, it's hard to see the gap between sensor dimensions just by checking a spec sheet. The pic underneath may offer you a clearer sense of the sensor measurements in the S1 and RX100 IV.

As you can see, each of these cameras offer different megapixels and different sensor dimensions. The S1 having a tinier sensor will make shooting shallower depth of field harder and the Sony RX100 IV will resolve greater detail having an extra 6 Megapixels. Higher resolution will let you crop photographs a little more aggressively. The more aged S1 is going to be disadvantaged with regard to sensor tech.