Olympus E-M5 vs Pentax E90

On this page, we are contrasting the Olympus E-M5 vs Pentax E90, former is a Advanced Mirrorless while the other is a Small Sensor Compact by companies Olympus and Pentax. There is a considerable difference among the image resolutions of the E-M5 (16MP) and E90 (10MP) and the E-M5 (Four Thirds) and E90 (1/2.3") provide totally different sensor size.

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The E-M5 was announced 2 years after the E90 which is a fairly large difference as far as camera tech is concerned. Both the cameras have different body design with the Olympus E-M5 being a SLR-style mirrorless camera and the Pentax E90 being a Compact camera.

Before delving into a thorough comparison, here is a short view of how the E-M5 scores versus the E90 in the way of portability, imaging, features and an overall score.

Here is a sample of the gallery pics for Olympus OM-D E-M5 & Pentax Optio E90. The whole galleries are viewable at Olympus E-M5 Gallery & Pentax E90 Gallery.

If you're looking to carry around your camera often, you should think about its weight and size. The Olympus E-M5 has outer dimensions of 122mm x 89mm x 43mm (4.8" x 3.5" x 1.7") with a weight of 425 grams (0.94 lbs) and the Pentax E90 has specifications of 102mm x 59mm x 25mm (4.0" x 2.3" x 1.0") with a weight of 145 grams (0.32 lbs).

Contrast the Olympus E-M5 vs Pentax E90 in our newest Camera & Lens Size Comparison Tool.

Bear in mind, the weight of an ILC will change dependant on the lens you have at that moment. Following is a front view overall size comparison of the E-M5 against the E90.

Considering size and weight, the portability score of the E-M5 and E90 is 81 and 94 respectively.

Oftentimes, its difficult to see the contrast in sensor sizes simply by viewing a spec sheet. The picture underneath will provide you a better sense of the sensor dimensions in the E-M5 and E90.

As you can see, each of the cameras have different megapixel count and different sensor sizes. The E-M5 using its larger sensor will make getting shallower DOF easier and the Olympus E-M5 will render more detail with its extra 6 Megapixels. Greater resolution will also help you crop photos a bit more aggressively. The more modern E-M5 will have an advantage in sensor technology.