Panasonic GH3 vs Pentax H90

The following is a in depth assessment of the Panasonic GH3 and Pentax H90, one is a Advanced Mirrorless and the other is a Small Sensor Compact by brands Panasonic and Pentax. There is a sizeable difference among the image resolutions of the GH3 (16MP) and H90 (12MP) and the GH3 (Four Thirds) and H90 (1/2.3") use totally different sensor size.

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The GH3 was launched 2 years after the H90 which is a fairly large gap as far as camera tech is concerned. The two cameras offer different body type with the Panasonic GH3 being a SLR-style mirrorless camera and the Pentax H90 being a Compact camera.

Before getting through a step-by-step comparison, below is a simple synopsis of how the GH3 grades vs the H90 in the way of portability, imaging, features and an overall mark.

Here is a sample of the gallery pictures for Panasonic Lumix DMC-GH3 and Pentax Optio H90. The complete galleries are available at Panasonic GH3 Gallery and Pentax H90 Gallery.

For anybody who is looking to travel with your camera frequently, you will have to consider its weight and volume. The Panasonic GH3 has got outside dimensions of 133mm x 93mm x 82mm (5.2" x 3.7" x 3.2") and a weight of 550 grams (1.21 lbs) while the Pentax H90 has sizing of 101mm x 65mm x 28mm (4.0" x 2.6" x 1.1") having a weight of 153 grams (0.34 lbs).

See the Panasonic GH3 and Pentax H90 in the new Camera and Lens Size Comparison Tool.

Always remember, the weight of an Interchangeable Lens Camera will change depending on the lens you use at the time. Here is the front view dimensions comparison of the GH3 and the H90.

Looking at size and weight, the portability grade of the GH3 and H90 is 66 and 93 respectively.

In many cases, its tough to see the difference in sensor dimensions only by looking through a spec sheet. The image below should give you a clearer sense of the sensor dimensions in the GH3 and H90.

As you can see, each of these cameras offer different resolutions and different sensor dimensions. The GH3 because of its larger sensor will make achieving bokeh less difficult and the Panasonic GH3 will render extra detail utilizing its extra 4 Megapixels. Greater resolution can also let you crop images a little more aggressively. The newer GH3 will have an advantage when it comes to sensor tech.