Olympus E-M10 vs Pentax K-x

On this page, we will be reviewing the Olympus E-M10 and Pentax K-x, former being a Entry-Level Mirrorless while the latter is a Entry-Level DSLR by brands Olympus and Pentax. There is a noticeable difference among the image resolutions of the E-M10 (16MP) and K-x (12MP) and the E-M10 (Four Thirds) and K-x (APS-C) offer totally different sensor dimensions.

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The E-M10 was launched 4 years later than the K-x and that is a fairly sizable difference as far as camera tech is concerned. Both the cameras have different body design with the Olympus E-M10 being a SLR-style mirrorless camera and the Pentax K-x being a Compact SLR camera.

Before we go right into a more detailed comparison, here is a simple summary of how the E-M10 grades vs the K-x when considering portability, imaging, features and an overall rating.

Below is a preview of the gallery photos for Olympus OM-D E-M10 & Pentax K-x. The complete galleries are provided at Olympus E-M10 Gallery & Pentax K-x Gallery.

When you are planning to carry your camera often, you'll need to take into account its weight and dimensions. The Olympus E-M10 has exterior dimensions of 119mm x 82mm x 46mm (4.7" x 3.2" x 1.8") and a weight of 396 grams (0.87 lbs) whilst the Pentax K-x has dimensions of 123mm x 92mm x 68mm (4.8" x 3.6" x 2.7") having a weight of 580 grams (1.28 lbs).

Analyze the Olympus E-M10 and Pentax K-x in our newest Camera plus Lens Size Comparison Tool.

Take into consideration, the weight of an ILC will vary depending on the lens you are employing at that moment. Here is a front view sizing comparison of the E-M10 compared to the K-x.

Looking at size and weight, the portability rating of the E-M10 and K-x is 82 and 69 respectively.

Often, it's tough to see the contrast in sensor sizing only by going through a spec sheet. The graphic below should provide you a stronger sense of the sensor sizes in the E-M10 and K-x.

As you can see, each of these cameras have different megapixel count and different sensor sizing. The E-M10 featuring a smaller sensor will make getting shallow DOF tougher and the Olympus E-M10 will provide more detail utilizing its extra 4MP. Higher resolution will also make it easier to crop pictures a bit more aggressively. The newer E-M10 will have an edge in sensor technology.