Olympus E-M1 vs Pentax X90

Lets look more closely at the Olympus E-M1 and Pentax X90, former is a Pro Mirrorless while the other is a Small Sensor Superzoom by rivals Olympus and Pentax. There exists a noticeable gap between the sensor resolutions of the E-M1 (16MP) and X90 (12MP) and the E-M1 (Four Thirds) and X90 (1/2.3") boast different sensor dimensions.

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The E-M1 was introduced 3 years after the X90 which is quite a sizable difference as far as technology is concerned. Both of these cameras feature different body design with the Olympus E-M1 being a SLR-style mirrorless camera and the Pentax X90 being a SLR-like (bridge) camera.

Before delving straight to a comprehensive comparison, here is a concise overview of how the E-M1 grades vs the X90 with regard to portability, imaging, features and an overall score.

This is a sample of the gallery pictures for Olympus OM-D E-M1 & Pentax X90. The whole galleries are viewable at Olympus E-M1 Gallery & Pentax X90 Gallery.

For those who are looking to carry around your camera, you have to think about its weight and proportions. The Olympus E-M1 has physical dimensions of 130mm x 94mm x 63mm (5.1" x 3.7" x 2.5") with a weight of 497 grams (1.10 lbs) whilst the Pentax X90 has measurements of 111mm x 85mm x 110mm (4.4" x 3.3" x 4.3") having a weight of 428 grams (0.94 lbs).

Analyze the Olympus E-M1 and Pentax X90 in our newest Camera plus Lens Size Comparison Tool.

Remember that, the weight of an ILC will differ dependant on the lens you are utilizing at the time. Following is a front view size comparison of the E-M1 vs the X90.

Factoring in dimensions and weight, the portability grade of the E-M1 and X90 is 71 and 69 respectively.

Typically, its hard to imagine the gap between sensor sizes only by reading technical specs. The picture here will provide you a more clear sense of the sensor sizes in the E-M1 and X90.

As you have seen, both the cameras feature different megapixel count and different sensor sizes. The E-M1 having a larger sensor is going to make getting shallow DOF simpler and the Olympus E-M1 will deliver extra detail using its extra 4 Megapixels. Greater resolution will also let you crop images way more aggressively. The more recent E-M1 provides an edge with regard to sensor technology.