Olympus E-M1 vs Sony A6400

Let's look more closely at the Olympus E-M1 vs Sony A6400, one is a Pro Mirrorless and the latter is a Advanced Mirrorless by manufacturers Olympus and Sony. There exists a significant gap between the sensor resolutions of the E-M1 (16MP) and A6400 (24MP) and the E-M1 (Four Thirds) and A6400 (APS-C) have different sensor measurements.

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The E-M1 was revealed 6 years before the A6400 which is quite a sizable gap 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 Sony A6400 being a Rangefinder-style mirrorless camera.

Before diving right into a comprehensive comparison, here is a short view of how the E-M1 grades versus the A6400 for portability, imaging, features and an overall score.

The following is a preview of the gallery images for Olympus OM-D E-M1 and Sony Alpha a6400. The full galleries are provided at Olympus E-M1 Gallery and Sony A6400 Gallery.

For those who are going to carry around your camera, you are going to need to think about its weight and proportions. The Olympus E-M1 enjoys exterior measurements of 130mm x 94mm x 63mm (5.1" x 3.7" x 2.5") with a weight of 497 grams (1.10 lbs) and the Sony A6400 has measurements of 120mm x 67mm x 50mm (4.7" x 2.6" x 2.0") with a weight of 403 grams (0.89 lbs).

See the Olympus E-M1 vs Sony A6400 in the all new Camera and Lens Size Comparison Tool.

Remember that, the weight of an Interchangeable Lens Camera will vary based on the lens you have chosen at that moment. Following is a front view scale comparison of the E-M1 versus the A6400.

Looking at dimensions and weight, the portability grade of the E-M1 and A6400 is 71 and 83 respectively.

Quite often, it is tough to imagine the contrast between sensor sizes merely by reading through specs. The image below may give you a far better sense of the sensor sizing in the E-M1 and A6400.

As you can plainly see, the 2 cameras come with different megapixels and different sensor sizes. The E-M1 having a tinier sensor is going to make achieving shallower DOF trickier and the Sony A6400 will resolve more detail because of its extra 8MP. Higher resolution will also let you crop photographs a good deal more aggressively. The more aged E-M1 is going to be disadvantaged in sensor innovation.