Olympus E-P5 vs Sony A9 II

Below is a in depth assessment of the Olympus E-P5 and Sony A9 II, former being a Entry-Level Mirrorless while the other is a Pro Mirrorless by brands Olympus and Sony. There exists a noticeable gap between the resolutions of the E-P5 (16MP) and A9 II (24MP) and the E-P5 (Four Thirds) and A9 II (Full frame) boast totally different sensor size.

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The E-P5 was revealed 7 years prior to the A9 II and that is quite a sizable difference as far as technology is concerned. Both the cameras feature different body design with the Olympus E-P5 being a Rangefinder-style mirrorless camera and the Sony A9 II being a SLR-style mirrorless camera.

Before diving straight to a step-by-step comparison, here is a brief highlight of how the E-P5 scores against the A9 II with respect to portability, imaging, features and an overall grade.

The following is a sample of the gallery pics for Olympus PEN E-P5 & Sony Alpha A9 Mark II. The full galleries are provided at Olympus E-P5 Gallery & Sony A9 II Gallery.

For those who are intending to lug around your camera, you'll need to consider its weight and proportions. The Olympus E-P5 features outside measurements of 122mm x 69mm x 37mm (4.8" x 2.7" x 1.5") and a weight of 420 grams (0.93 lbs) and the Sony A9 II has measurements of 129mm x 96mm x 76mm (5.1" x 3.8" x 3.0") along with a weight of 678 grams (1.49 lbs).

Compare the Olympus E-P5 and Sony A9 II in our newest Camera & Lens Size Comparison Tool.

Remember that, the weight of an ILC will change depending on the lens you are using at that time. Following is a front view overall size comparison of the E-P5 and the A9 II.

Using dimensions and weight, the portability score of the E-P5 and A9 II is 85 and 62 respectively.

Normally, it can be hard to envision the difference between sensor measurements just by reading a spec sheet. The graphic underneath will help offer you a clearer sense of the sensor measurements in the E-P5 and A9 II.

As you can see, the 2 cameras feature different megapixel count and different sensor measurements. The E-P5 with its tinier sensor will make achieving shallower depth of field trickier and the Sony A9 II will deliver more detail because of its extra 8 Megapixels. Greater resolution will also enable you to crop photos way more aggressively. The older E-P5 is going to be disadvantaged in sensor technology.