Olympus E-M10 vs Sony A9

The following is a comprehensive assessment of the Olympus E-M10 and Sony A9, one is a Entry-Level Mirrorless and the other is a Pro Mirrorless by manufacturers Olympus and Sony. There exists a huge gap between the image resolutions of the E-M10 (16MP) and A9 (24MP) and the E-M10 (Four Thirds) and A9 (Full frame) offer different sensor measurements.

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The E-M10 was released 4 years earlier than the A9 which is quite a significant gap as far as technology is concerned. Both of these cameras feature the same body design (SLR-style mirrorless).

Before delving straight to a comprehensive comparison, here is a brief view of how the E-M10 matches up vs the A9 with regards to portability, imaging, features and an overall mark.

Here is a sample of the gallery pics for Olympus OM-D E-M10 and Sony Alpha A9. The complete galleries are available at Olympus E-M10 Gallery and Sony A9 Gallery.

If you're going to travel with your camera regularly, you're going to have to take into account its weight and measurements. The Olympus E-M10 comes with outer measurements of 119mm x 82mm x 46mm (4.7" x 3.2" x 1.8") having a weight of 396 grams (0.87 lbs) whilst the Sony A9 has proportions of 127mm x 96mm x 63mm (5.0" x 3.8" x 2.5") having a weight of 673 grams (1.48 lbs).

See the Olympus E-M10 and Sony A9 in the new Camera and Lens Size Comparison Tool.

Always remember, the weight of an Interchangeable Lens Camera will vary dependant on the lens you are working with during that time. Here is a front view measurements comparison of the E-M10 versus the A9.

Looking at dimensions and weight, the portability score of the E-M10 and A9 is 82 and 65 respectively.

Normally, it is very tough to visualize the contrast between sensor dimensions merely by reviewing specifications. The picture underneath will provide you a better sense of the sensor measurements in the E-M10 and A9.

Plainly, each of these cameras feature different resolutions and different sensor dimensions. The E-M10 featuring a tinier sensor is going to make shooting shallower DOF tougher and the Sony A9 will deliver extra detail as a result of its extra 8 Megapixels. Greater resolution can also let you crop photos way more aggressively. The more aged E-M10 is going to be disadvantaged in sensor tech.