Olympus E-P3 vs Sony A6400

Here, we are comparing the Olympus E-P3 versus Sony A6400, one is a Entry-Level Mirrorless and the other is a Advanced Mirrorless by rivals Olympus and Sony. There is a huge difference among the resolutions of the E-P3 (12MP) and A6400 (24MP) and the E-P3 (Four Thirds) and A6400 (APS-C) provide different sensor dimensions.

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The E-P3 was launched 8 years before the A6400 which is a fairly significant gap as far as camera tech is concerned. Both cameras feature the same body design (Rangefinder-style mirrorless).

Before diving into a in depth comparison, here is a concise view of how the E-P3 scores versus the A6400 in terms of portability, imaging, features and an overall score.

The following is a sample of the gallery pictures for Olympus PEN E-P3 and Sony Alpha a6400. The complete galleries are viewable at Olympus E-P3 Gallery and Sony A6400 Gallery.

When you are intending to carry around your camera regularly, you need to factor its weight and size. The Olympus E-P3 has got outside dimensions of 122mm x 69mm x 34mm (4.8" x 2.7" x 1.3") with a weight of 369 grams (0.81 lbs) and the Sony A6400 has specifications of 120mm x 67mm x 50mm (4.7" x 2.6" x 2.0") along with a weight of 403 grams (0.89 lbs).

Analyze the Olympus E-P3 versus Sony A6400 in the new Camera and Lens Size Comparison Tool.

Bear in mind, the weight of an Interchangeable Lens Camera will vary dependant on the lens you have chosen at that time. Underneath is a front view physical size comparison of the E-P3 compared to the A6400.

Taking into account size and weight, the portability rating of the E-P3 and A6400 is 86 and 83 respectively.

Generally, its hard to picture the contrast in sensor sizes simply by viewing a spec sheet. The image below might give you a clearer sense of the sensor sizes in the E-P3 and A6400.

Clearly, the two cameras come with different megapixels and different sensor sizes. The E-P3 featuring a smaller sensor is going to make getting shallow DOF tougher and the Sony A6400 will provide you with extra detail utilizing its extra 12 Megapixels. Greater resolution will also allow you to crop photos a good deal more aggressively. The more aged E-P3 will be behind in sensor innovation.