Pentax E90 vs Sony A9

Lets look much closer at the Pentax E90 vs Sony A9, former is a Small Sensor Compact while the other is a Pro Mirrorless by brands Pentax and Sony. There is a substantial difference between the sensor resolutions of the E90 (10MP) and A9 (24MP) and the E90 (1/2.3") and A9 (Full frame) possess different sensor size.

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The E90 was revealed 8 years earlier than the A9 which is quite a big difference as far as tech is concerned. Both cameras offer different body type with the Pentax E90 being a Compact camera and the Sony A9 being a SLR-style mirrorless camera.

Before delving in to a full comparison, below is a simple highlight of how the E90 grades against the A9 in the way of portability, imaging, features and an overall score.

The following is a sample of the gallery pictures for Pentax Optio E90 & Sony Alpha A9. The full galleries are provided at Pentax E90 Gallery & Sony A9 Gallery.

In case you're intending to carry around your camera often, you will want to take into account its weight and size. The Pentax E90 features outer dimensions of 102mm x 59mm x 25mm (4.0" x 2.3" x 1.0") with a weight of 145 grams (0.32 lbs) while the Sony A9 has specifications of 127mm x 96mm x 63mm (5.0" x 3.8" x 2.5") with a weight of 673 grams (1.48 lbs).

Examine the Pentax E90 vs Sony A9 in our brand new Camera plus Lens Size Comparison Tool.

Don't forget, the weight of an ILC will differ depending on the lens you are using at that moment. The following is the front view overall size comparison of the E90 and the A9.

Using size and weight, the portability score of the E90 and A9 is 94 and 65 respectively.

Usually, it is very difficult to imagine the gap between sensor sizes purely by reading through technical specs. The image underneath should offer you a stronger sense of the sensor sizes in the E90 and A9.

As you have seen, both of those cameras offer different megapixels and different sensor sizes. The E90 having a tinier sensor is going to make getting bokeh harder and the Sony A9 will resolve more detail because of its extra 14 Megapixels. Greater resolution can also enable you to crop images a little more aggressively. The more aged E90 is going to be disadvantaged when it comes to sensor technology.