Olympus E-M1 III vs Pentax K-x

Here, we will be evaluating the Olympus E-M1 III and Pentax K-x, one is a Pro Mirrorless and the latter is a Entry-Level DSLR by brands Olympus and Pentax. There is a big difference between the sensor resolutions of the E-M1 III (20MP) and K-x (12MP) and the E-M1 III (Four Thirds) and K-x (APS-C) boast different sensor sizes.

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The E-M1 III was launched 10 years after the K-x which is quite a big gap as far as tech is concerned. Each of these cameras feature different body design with the Olympus E-M1 III being a SLR-style mirrorless camera and the Pentax K-x being a Compact SLR camera.

Before diving into a in-depth comparison, here is a short view of how the E-M1 III grades vs the K-x in relation to portability, imaging, features and an overall score.

Here is a preview of the gallery photos for Olympus OM-D E-M1 Mark III and Pentax K-x. The complete galleries are available at Olympus E-M1 III Gallery and Pentax K-x Gallery.

When you are planning to carry around your camera frequently, you're going to have to factor in its weight and measurements. The Olympus E-M1 III has got physical dimensions of 134mm x 91mm x 69mm (5.3" x 3.6" x 2.7") accompanied by a weight of 580 grams (1.28 lbs) and the Pentax K-x has proportions of 123mm x 92mm x 68mm (4.8" x 3.6" x 2.7") with a weight of 580 grams (1.28 lbs).

Compare the Olympus E-M1 III and Pentax K-x in the new Camera and Lens Size Comparison Tool.

Don't forget, the weight of an Interchangeable Lens Camera will change depending on the lens you are working with at that time. Underneath is a front view measurement comparison of the E-M1 III vs the K-x.

Considering size and weight, the portability score of the E-M1 III and K-x is 67 and 69 respectively.

Usually, it can be hard to picture the gap between sensor sizes merely by reading a spec sheet. The pic underneath may give you a greater sense of the sensor dimensions in the E-M1 III and K-x.

Clearly, both the cameras come with different megapixels and different sensor sizes. The E-M1 III because of its tinier sensor is going to make getting shallow depth of field more challenging and the Olympus E-M1 III will deliver more detail utilizing its extra 8MP. Higher resolution will also make it easier to crop pictures a good deal more aggressively. The more modern E-M1 III should have an edge with regard to sensor tech.