Pentax E85 vs Sony RX100 III

Here, we are matching up the Pentax E85 vs Sony RX100 III, former being a Small Sensor Compact while the other is a Large Sensor Compact by companies Pentax and Sony. There exists a sizable gap between the resolutions of the E85 (12MP) and RX100 III (20MP) and the E85 (1/2.3") and RX100 III (1") have totally different sensor sizing.

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The E85 was unveiled 5 years prior to the RX100 III and that is quite a significant difference as far as technology is concerned. Each of these cameras feature different body design with the Pentax E85 being a Compact camera and the Sony RX100 III being a Large Sensor Compact camera.

Before delving straight to a more detailed comparison, here is a simple introduction of how the E85 matches up against the RX100 III when considering portability, imaging, features and an overall rating.

Below is a sample of the gallery pics for Pentax Optio E85 & Sony Cyber-shot DSC-RX100 III. The full galleries are provided at Pentax E85 Gallery & Sony RX100 III Gallery.

In case you're intending to carry your camera frequently, you are going to need to factor in its weight and volume. The Pentax E85 offers outer measurements of 93mm x 58mm x 24mm (3.7" x 2.3" x 0.9") and a weight of 145 grams (0.32 lbs) whilst the Sony RX100 III has sizing of 102mm x 58mm x 41mm (4.0" x 2.3" x 1.6") with a weight of 290 grams (0.64 lbs).

Check the Pentax E85 vs Sony RX100 III in our brand new Camera & Lens Size Comparison Tool.

Remember, the weight of an ILC will vary dependant on the lens you have attached at the time. Below is a front view measurements comparison of the E85 vs the RX100 III.

Taking into account dimensions and weight, the portability grade of the E85 and RX100 III is 95 and 89 respectively.

Typically, its hard to envision the difference between sensor sizing only by going over a spec sheet. The graphic below will help provide you a clearer sense of the sensor measurements in the E85 and RX100 III.

Clearly, both the cameras feature different megapixel count and different sensor sizing. The E85 using its tinier sensor will make achieving shallow depth of field harder and the Sony RX100 III will offer extra detail having an extra 8 Megapixels. Greater resolution will enable you to crop images way more aggressively. The older E85 is going to be disadvantaged with regard to sensor tech.