Olympus E-M1 II vs Sony A6600

Its time to look more in depth at the Olympus E-M1 II versus Sony A6600, former is a Pro Mirrorless while the other is a Advanced Mirrorless by companies Olympus and Sony. The resolution of the E-M1 II (20MP) and the A6600 (24MP) is very comparable but the E-M1 II (Four Thirds) and A6600 (APS-C) have totally different sensor dimensions.

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The E-M1 II was unveiled 3 years prior to the A6600 which is a fairly serious difference as far as camera technology is concerned. The two cameras have different body design with the Olympus E-M1 II being a SLR-style mirrorless camera and the Sony A6600 being a Rangefinder-style mirrorless camera.

Before delving straight to a detailed comparison, here is a short synopsis of how the E-M1 II matches up vs the A6600 with regard to portability, imaging, features and an overall mark.

This is a sample of the gallery pics for Olympus OM-D E-M1 Mark II & Sony Alpha a6600. The full galleries are viewable at Olympus E-M1 II Gallery & Sony A6600 Gallery.

If you're aiming to travel with your camera regularly, you should think about its weight and size. The Olympus E-M1 II offers physical measurements of 134mm x 91mm x 67mm (5.3" x 3.6" x 2.6") having a weight of 574 grams (1.27 lbs) and the Sony A6600 has specifications of 120mm x 67mm x 69mm (4.7" x 2.6" x 2.7") accompanied by a weight of 503 grams (1.11 lbs).

Look at the Olympus E-M1 II versus Sony A6600 in our newest Camera plus Lens Size Comparison Tool.

Bear in mind, the weight of an ILC will change depending on the lens you are using at that moment. Here is a front view over all size comparison of the E-M1 II and the A6600.

Using dimensions and weight, the portability rating of the E-M1 II and A6600 is 68 and 77 respectively.

Normally, it is tough to envision the gap in sensor dimensions purely by seeing technical specs. The image below should give you a more clear sense of the sensor sizing in the E-M1 II and A6600.

As you have seen, each of these cameras have different megapixel count and different sensor dimensions. The E-M1 II using its smaller sensor will make achieving shallower depth of field more challenging and the Sony A6600 will provide more detail having an extra 4MP. Greater resolution will let you crop photos a bit more aggressively. The more aged E-M1 II will be disadvantaged with regard to sensor innovation.