Pentax RS1500 vs Sony RX100 III

Here is a complete comparison of the Pentax RS1500 versus Sony RX100 III, former being a Small Sensor Compact while the other is a Large Sensor Compact by manufacturers Pentax and Sony. There is a substantial difference between the resolutions of the RS1500 (14MP) and RX100 III (20MP) and the RS1500 (1/2.3") and RX100 III (1") boast different sensor size.

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The RS1500 was manufactured 4 years earlier than the RX100 III and that is quite a big difference as far as tech is concerned. Both of these cameras feature different body design with the Pentax RS1500 being a Compact camera and the Sony RX100 III being a Large Sensor Compact camera.

Before delving straight to a thorough comparison, here is a brief introduction of how the RS1500 grades against the RX100 III with regards to portability, imaging, features and an overall rating.

Following is a sample of the gallery pics for Pentax Optio RS1500 & Sony Cyber-shot DSC-RX100 III. The entire galleries are provided at Pentax RS1500 Gallery & Sony RX100 III Gallery.

For anybody who is looking to carry your camera, you will want to factor its weight and proportions. The Pentax RS1500 has external dimensions of 114mm x 58mm x 28mm (4.5" x 2.3" x 1.1") with a weight of 157 grams (0.35 lbs) while the Sony RX100 III has measurements of 102mm x 58mm x 41mm (4.0" x 2.3" x 1.6") and a weight of 290 grams (0.64 lbs).

See the Pentax RS1500 versus Sony RX100 III in our completely new Camera plus Lens Size Comparison Tool.

Do not forget, the weight of an ILC will differ depending on the lens you have chosen at that time. Following is a front view size comparison of the RS1500 and the RX100 III.

Factoring in size and weight, the portability rating of the RS1500 and RX100 III is 93 and 89 respectively.

Usually, it can be difficult to imagine the contrast between sensor sizing simply by reading technical specs. The photograph below should provide you a greater sense of the sensor dimensions in the RS1500 and RX100 III.

As you can tell, both of those cameras come with different megapixel count and different sensor sizing. The RS1500 featuring a tinier sensor is going to make shooting shallower depth of field more challenging and the Sony RX100 III will deliver extra detail due to its extra 6MP. Greater resolution will allow you to crop pics a good deal more aggressively. The older RS1500 is going to be behind with regard to sensor tech.