Pentax E90 vs Sony RX100 IV

Its time to look a bit more closely at the Pentax E90 and Sony RX100 IV, one is a Small Sensor Compact and the latter is a Large Sensor Compact by rivals Pentax and Sony. There exists a significant gap between the resolutions of the E90 (10MP) and RX100 IV (20MP) and the E90 (1/2.3") and RX100 IV (1") posses different sensor sizing.

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The E90 was released 6 years prior to the RX100 IV which is quite a sizable gap as far as technology is concerned. Both the cameras have different body design with the Pentax E90 being a Compact camera and the Sony RX100 IV being a Large Sensor Compact camera.

Before going into a step-by-step comparison, here is a concise view of how the E90 grades against the RX100 IV for portability, imaging, features and an overall score.

Here is a preview of the gallery images for Pentax Optio E90 and Sony Cyber-shot DSC-RX100 IV. The complete galleries are viewable at Pentax E90 Gallery and Sony RX100 IV Gallery.

For anyone who is planning to carry around your camera frequently, you are going to need to think about its weight and proportions. The Pentax E90 features outside measurements of 102mm x 59mm x 25mm (4.0" x 2.3" x 1.0") accompanied by a weight of 145 grams (0.32 lbs) and the Sony RX100 IV has measurements of 102mm x 58mm x 41mm (4.0" x 2.3" x 1.6") and a weight of 298 grams (0.66 lbs).

Check out the Pentax E90 and Sony RX100 IV in the latest Camera and Lens Size Comparison Tool.

Remember that, the weight of an Interchangeable Lens Camera will differ dependant on the lens you are utilising at that moment. Following is a front view measurements comparison of the E90 vs the RX100 IV.

Factoring in dimensions and weight, the portability rating of the E90 and RX100 IV is 94 and 89 respectively.

Sometimes, it is tough to picture the contrast between sensor sizes only by reading specs. The pic underneath may give you a more clear sense of the sensor sizing in the E90 and RX100 IV.

As you can plainly see, the two cameras have different megapixels and different sensor sizes. The E90 because of its tinier sensor is going to make achieving shallower depth of field tougher and the Sony RX100 IV will offer more detail as a result of its extra 10MP. Higher resolution will also enable you to crop shots a bit more aggressively. The more aged E90 is going to be disadvantaged when it comes to sensor technology.