Pentax H90 vs Sony A9

In this write-up, we will be comparing the Pentax H90 and Sony A9, former is a Small Sensor Compact while the latter is a Pro Mirrorless by brands Pentax and Sony. There is a substantial difference between the sensor resolutions of the H90 (12MP) and A9 (24MP) and the H90 (1/2.3") and A9 (Full frame) use different sensor dimensions.

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The H90 was revealed 8 years earlier than the A9 which is quite a big difference as far as tech is concerned. The two cameras offer different body type with the Pentax H90 being a Compact camera and the Sony A9 being a SLR-style mirrorless camera.

Before we go in to a more detailed comparison, below is a short summation of how the H90 matches up vs the A9 in the way of portability, imaging, features and an overall mark.

Following is a preview of the gallery images for Pentax Optio H90 & Sony Alpha A9. The full galleries are provided at Pentax H90 Gallery & Sony A9 Gallery.

When you are aiming to travel with your camera, you'll need to take into account its weight and proportions. The Pentax H90 provides external dimensions of 101mm x 65mm x 28mm (4.0" x 2.6" x 1.1") along with a weight of 153 grams (0.34 lbs) while the Sony A9 has measurements of 127mm x 96mm x 63mm (5.0" x 3.8" x 2.5") having a weight of 673 grams (1.48 lbs).

Look at the Pentax H90 and Sony A9 in our completely new Camera plus Lens Size Comparison Tool.

Always remember, the weight of an ILC will differ dependant on the lens you choose at the time. Here is the front view physical size comparison of the H90 vs the A9.

Considering size and weight, the portability score of the H90 and A9 is 93 and 65 respectively.

Generally, it is very difficult to picture the gap between sensor dimensions only by reading specs. The picture below may give you a more clear sense of the sensor dimensions in the H90 and A9.

All in all, each of these cameras enjoy different resolutions and different sensor dimensions. The H90 using its tinier sensor is going to make achieving shallower depth of field more difficult and the Sony A9 will offer greater detail because of its extra 12MP. Higher resolution will allow you to crop photographs far more aggressively. The more aged H90 is going to be behind when it comes to sensor technology.