Olympus E-M1 II vs Sony A9

Below, we will be looking at the Olympus E-M1 II versus Sony A9, both Pro Mirrorless cameras by manufacturers Olympus and Sony. The image resolution of the E-M1 II (20MP) and the A9 (24MP) is relatively close but the E-M1 II (Four Thirds) and A9 (Full frame) come with totally different sensor sizing.

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The E-M1 II was brought out 7 months earlier than the A9 which means that they are both of a similar age. Each of the cameras come with the identical body type (SLR-style mirrorless).

Before we go through a in depth comparison, below is a short overview of how the E-M1 II matches up versus the A9 in the way of portability, imaging, features and an overall grade.

Below is a preview of the gallery photos for Olympus OM-D E-M1 Mark II & Sony Alpha A9. The entire galleries are provided at Olympus E-M1 II Gallery & Sony A9 Gallery.

If you're looking to lug around your camera regularly, you will have to consider its weight and size. The Olympus E-M1 II has external dimensions of 134mm x 91mm x 67mm (5.3" x 3.6" x 2.6") along with a weight of 574 grams (1.27 lbs) and the Sony A9 has specifications of 127mm x 96mm x 63mm (5.0" x 3.8" x 2.5") having a weight of 673 grams (1.48 lbs).

Take a look at the Olympus E-M1 II versus Sony A9 in our brand new Camera & Lens Size Comparison Tool.

Remember that, the weight of an ILC will differ dependant on the lens you are utilizing at the time. The following is the front view over all size comparison of the E-M1 II and the A9.

Using dimensions and weight, the portability score of the E-M1 II and A9 is 68 and 65 respectively.

More often than not, it can be tough to see the difference in sensor measurements merely by looking through specs. The photograph underneath will help offer you a more clear sense of the sensor sizes in the E-M1 II and A9.

As you can plainly see, both cameras posses different megapixel count and different sensor measurements. The E-M1 II due to its smaller sensor will make getting shallow depth of field tougher and the Sony A9 will result in extra detail having its extra 4MP. Higher resolution will also allow you to crop photographs somewhat more aggressively. The older E-M1 II will be disadvantaged with regard to sensor technology.