Olympus E-M10 IV vs Pentax E90

Below is a detailed comparison of the Olympus E-M10 IV versus Pentax E90, former being a Entry-Level Mirrorless while the latter is a Small Sensor Compact by competitors Olympus and Pentax. There exists a large gap between the sensor resolutions of the E-M10 IV (20MP) and E90 (10MP) and the E-M10 IV (Four Thirds) and E90 (1/2.3") provide different sensor dimensions.

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The E-M10 IV was launched 10 years later than the E90 and that is quite a serious difference as far as technology is concerned. Each of the cameras feature different body design with the Olympus E-M10 IV being a SLR-style mirrorless camera and the Pentax E90 being a Compact camera.

Before delving right into a step-by-step comparison, here is a simple view of how the E-M10 IV scores vs the E90 when it comes to portability, imaging, features and an overall grade.

Here is a preview of the gallery photos for Olympus OM-D E-M10 IV & Pentax Optio E90. The complete galleries are available at Olympus E-M10 IV Gallery & Pentax E90 Gallery.

In case you're planning to lug around your camera, you'll need to take into account its weight and dimensions. The Olympus E-M10 IV features physical measurements of 122mm x 84mm x 49mm (4.8" x 3.3" x 1.9") having a weight of 383 grams (0.84 lbs) while the Pentax E90 has dimensions of 102mm x 59mm x 25mm (4.0" x 2.3" x 1.0") along with a weight of 145 grams (0.32 lbs).

Look at the Olympus E-M10 IV versus Pentax E90 in our newest Camera & Lens Size Comparison Tool.

Remember, the weight of an ILC will differ based on the lens you have at the time. Below is a front view measurement comparison of the E-M10 IV against the E90.

Factoring in dimensions and weight, the portability score of the E-M10 IV and E90 is 81 and 94 respectively.

Typically, it's hard to visualize the contrast between sensor measurements just by going over specifications. The graphic here may offer you a more clear sense of the sensor sizing in the E-M10 IV and E90.

To sum up, both of those cameras come with different megapixels and different sensor measurements. The E-M10 IV featuring a bigger sensor is going to make getting bokeh easier and the Olympus E-M10 IV will offer you extra detail utilizing its extra 10MP. Higher resolution can also allow you to crop pictures a good deal more aggressively. The newer E-M10 IV provides an advantage with regard to sensor tech.